Wireless Doorbell White B21

$43.99 $38.99


  1. Long Range Transmission - up to 1000ft in open air.  
  2. Wireless Multiple Door Bells Chimes - Easy to expand door bells or chimes. You can expand extra 10+ door bells or receivers. 
  3. 52 Different Ringtones and Four levels Volume to Adjust and they will keep the settings when power is removed, no need to reset. 
  4. IP55 Waterproof; with CE, FCC, RoHS certified. 
  5. Strong Working Signal for most material door or wall, including glass, metal, wood and more. 
  6. Usage: Commercial/Residential (for home, office, the hearing impaired, for paging devices for elderly care and nursing residents, and more)
  7. Easy Installation
  • Wireless no batteries required chime. Simply plug in socket.
  • Remote door bell is battery powered, just use sticky pad or anchors & screws to mount it.
  • Power: <0.5W
  • Voltage: 110V/220V
  •  Material: ABS plastic
  • Weight: 0.4kg
What's included 
- 2* Door Bells (transmitters)
- 3* Chimes (receivers) 
- 2* Batteries
- 2* Self-adhesive tape, 4* anchors & screws, 1*screwdriver to install
- 1* user manual.


Shipping Where We Ship: We ship to The United Stated or The United Kingdom.
Delivery Rates & Services: We ships orders Monday to Sunday, during office hours (9am – 5pm PST), and does not operate on public holidays. When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page. Depending on where you live, the time it may take for your exchanged product to reach you, may vary. Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page.

Currency Conversions

Currency Conversions All prices listed on our site are in US dollars, and charged to in US dollars. The bank that has issued your card determines the exact exchange rate that you will be charged, but in general it should match closely with the current rate. To get an estimate of the current rate, check out the link below: XE.com - Foreign Exchange Rate Calculator.

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