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Panasonic DL-RSTK40 Ad#Electric Bidet Seat · Japan-only model★4.36JP¥42,800 Panasonic DL-RSTK40 Installation
The math
Japan price incl. taxJP¥42,800
Tax-free price (paid in store)JP¥38,909
In USD≈ US$248
 Japan consumption tax 10% (food 8%)
Power & flights
Voltage100V
PlugType A plug
Frequency50/60Hz
FlightsOK on the plane
 Country-by-country results below
Kakaku.com rating ★ 4.36
Pros: Automatic lid is convenient for the whole family
Pros: Plenty of settings for fine-tuning the water stream
Pros: Few gaps, easy to clean
Cons: The motion sensor requires drilling a hole in the wall to install
Cons: Some users report cracking after about six months of use
 Pros and cons summarized by us from public reviews

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Panasonic Beautle DL-RSTK40

パナソニック ビューティ・トワレ DL-RSTK40 · Japan-only model

Price JP¥42,800 · tax-free JP¥38,909
Voltage 100V · Type A plug
Source Kakaku.com · 10-23
Electric Bidet Seat

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥42,800 (incl. tax); of the 21 destinations we check, it needs an accessory (plug adapter or transformer) in 3 and will not work in 18.

Previous-generation auto-lid model with lots of reviews; few stores still carry it.

BestJapanBuyData updated 2026-10-24 · sources at the end

Lowest online price (incl. tax) JP¥42,800 (shipping not included). At a tax-free shop you pay the tax-free price JP¥38,909 at the register (≈ US$248). How the new tax-free refund works ›

100V, Type A plug, 50/60Hz. Will it work in your country? →

Flights: OK on the plane. No battery: OK in carry-on or checked baggage (large items are best checked)

Kakaku.com rating ★ 4.36/5 (36 reviews), not our own rating.

Pros: Automatic lid is convenient for the whole family; Plenty of settings for fine-tuning the water stream; Few gaps, easy to clean

Cons: The motion sensor requires drilling a hole in the wall to install; Some users report cracking after about six months of use

Good for: People who want auto lid opening and are fine with a previous-generation model | Not for: People who want the latest model

Sold at major electronics stores in Japan (Bic Camera, Yodobashi Camera and others); check stock before you go. Find the nearest store.

  • #JapanShopping
  • #JapanElectricBidetSeat
  • #Panasonic
  • #TaxFreeJapan

Edited 2026-10-24 · prices for reference only · names: Panasonic Beautle DL-RSTK40 / パナソニック ビューティ・トワレ DL-RSTK40

Japan price and tax refund

Price in Japan

Lowest online price
JP¥42,800
Tax-free price
JP¥38,909
In USD (reference)
≈ US$248

Japan price: Kakaku.com, 2026-10-23 (shipping not included)
USD rate JP¥1 = US$0.006377 (2026-10-23) · Prices are for reference only; check in store.

How tax-free shopping works

Until Oct 31, 2026: show your passport at a tax-free shop and pay the tax-free price at the register (at least JP¥5,000 excl. tax per store per day).

Calculate the refund · New tax-free rules explained

Specs

BrandPanasonic / パナソニック
ModelDL-RSTK40
VersionJapan-only model
Voltage100V
Frequency50/60Hz
PlugType A
Power1020W
BatteryNo built-in battery
Released2023
Heating methodInstant (瞬間式)
ControlsWall-mounted remote
DeodorizerYes
Auto open/close lidYes
Annual power use83kWh/yr
Warranty in mainland ChinaNo
Panel languageJapanese

Spec sources: Panasonic official site (specifications), Kakaku.com specifications page

Will it work in your country?

Based on each country's standard voltage, frequency and outlet types. Pick your country to put it at the top.

Country / regionResultWhat to know
Mainland China220V · 50Hz · Type A/I Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Hong Kong220V · 50Hz · Type G Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
Macao220V · 50Hz · Type G/D Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
Taiwan110V · 60Hz · Type A/B Needs an accessory Most Japanese 100V appliances work in 110–120V regions, but heating appliances may run hot; a step-down transformer is recommended
Singapore230V · 50Hz · Type G Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
South Korea220V · 60Hz · Type C/F Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
United States120V · 60Hz · Type A/B Needs an accessory Most Japanese 100V appliances work in 110–120V regions, but heating appliances may run hot; a step-down transformer is recommended
Thailand220V · 50Hz · Type A/B Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Malaysia240V · 50Hz · Type G Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
Philippines220V · 60Hz · Type A/B Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Vietnam220V · 50Hz · Type A Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Indonesia230V · 50Hz · Type C/F Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
India230V · 50Hz · Type C/D/M Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
Australia230V · 50Hz · Type I Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
New Zealand230V · 50Hz · Type I Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
Canada120V · 60Hz · Type A/B Needs an accessory Most Japanese 100V appliances work in 110–120V regions, but heating appliances may run hot; a step-down transformer is recommended
United Kingdom230V · 50Hz · Type G Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
Germany230V · 50Hz · Type C/F Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
France230V · 50Hz · Type C/E Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
Italy230V · 50Hz · Type C/F/L Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter
Spain230V · 50Hz · Type C/F Will not work Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances
Different plug shape; you need a plug adapter

Flights (all destinations): OK on the plane: No battery: OK in carry-on or checked baggage (large items are best checked)

This model: 100V. Results follow published standards; some buildings or hotels may differ.

Overseas vs Japan-only model

No counterpart model listed yet.

Reviews

Third-party rating: 4.36 / 5 (36 reviews)
Rating source: Kakaku.com, 2026-10-23
The rating comes from a third-party site and is not our own. Pros and cons are our summary of public reviews.

Pros

  • Automatic lid is convenient for the whole family
  • Plenty of settings for fine-tuning the water stream
  • Few gaps, easy to clean

Cons

  • The motion sensor requires drilling a hole in the wall to install
  • Some users report cracking after about six months of use

Where to buy

In Japan

Sold at major electronics stores in Japan (Bic Camera, Yodobashi Camera and others); check stock before you go.

Find the nearest store

Japanese phrases to show staff · Checkout checklist · Calculate the price after refund

Frequently asked questions

Can I use the Panasonic DL-RSTK40 outside Japan?

The Panasonic DL-RSTK40 is 100V with a Type A plug. Of the 21 destinations we check, it needs an accessory (plug adapter or transformer) in 3 and will not work in 18. See the table "Will it work in your country?" on this page for each country and region.

How much is the Panasonic DL-RSTK40 in Japan tax-free?

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥42,800 including tax. Tax-free or after the refund it is JP¥38,909. From Nov 1, 2026, you pay the tax-included price in store and get the tax refunded when you leave Japan (a fee may apply).

Where can I buy the Panasonic DL-RSTK40 in Japan?

Sold at major electronics stores in Japan (Bic Camera, Yodobashi Camera and others); check stock before you go. The price we list is from Kakaku.com (2026-10-23); prices in store may differ.

Related Q&A

Sources

Updated 2026-10-24Prices are for reference only; check in store.MarkdownJSON