DOWNLOAD THE APP
Customer Services
Copyright © 2025 Desertcart Holdings Limited
DOWNLOAD THE APP
🔔 Elevate your entry game with AVANTEK — hear the difference, feel the convenience!
The AVANTEK CB-21 Wireless Doorbell Kit offers a robust 1000 ft wireless range with IP55 waterproof and dustproof protection, ensuring reliable performance in any weather. Featuring 52 customizable melodies, 5 volume levels up to 115 dB, and a 3-year battery life, it’s designed for seamless installation and smart memory retention, making it the ultimate choice for modern homes and offices.
| Manufacturer | AVANTEK |
| Part number | CB-21 |
| Item Weight | 190 g |
| Package Dimensions | 13.2 x 9.4 x 6 cm; 190 g |
| Batteries | 2 CR2 batteries required. (included) |
| Item model number | CB-21 |
| Size | 1 Receiver + 2 Buttons |
| Color | Mini (Black) |
| Material | ABS |
| Power source type | AC & Battery |
| Voltage | 3 Volts |
| Installation Method | Self-Adhesive or Screw-In |
| Noise Level | 115 Decibels |
| Speed Rating | 1000 Feet Operating Range, IP55 Waterproof |
| Specification met | CE, FCC and RoHS |
| Special Features | ① Wireless Doorbell ② 2 Remote Buttons Can Have Different Tones, Suitable for Front Back Doors Entrance Ways ③ IP55 Waterproof Dustproof ④ 1000 Feet/300 M Operating Range ⑤ 5 Adjustable Volume Levels with 52 Chimes ⑥ Mini Sized ⑦ Electrical Doorbell |
| Specific uses | All of the following AVANTEK doorbells with plug-in receivers can be paired with each other: CB-11/CW-11/CB-12/CW-12/CB-21/CW-21/D-3B/D-3W/D-3G/D-3F/D-3C/DB-21/DB-11/DW-21 (For orders purchased before 2021, it is best to contact us to inquire whether they can be paired.) |
| Included components | 2 × Transmitters (CR2032 batteries included), 1 × Plug-in receiver, 2 × Adhesive tapes, 1 × Screwdriver, 4 × Screws, 4 × Anchors, 1 × User manual |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| tech_spec_battery_description_toys | battery_type_cr2 |
| Battery life | 3 years |
M**N
Best bell ever!
Easy to install and very reliable. I place the bells outside both gates and have been very satisfied with the product. The sound is excellent too! As clear as a bell!
M**K
Excellent piece of kit. Just plug and play
Excellent piece of kit. Just plug and play. Still working great on original battery after two years of use. Range is excellent too.
T**Y
Great and affordable
A simple piece of kit, reasonably priced and looks dead smart. The plug in part is nice and thin so actually was able to be plugged in behind a unit making it invisible but still easily heard. The push doorbell part is smart, fits nicely and the large adhesive pad looks like it will not be moved. Volume control is great, can be heard all over the house quite easily. The only slight niggle is having to wade through the sheer number of chimes to find something which sounds like a doorbell - I mean come on, how many people really need their home doorbell to play happy birthday or an unimaginable number of Christmas tunes! Sometimes it's ok to make things simple!
T**S
Nicht für deutsche Steckdosen
Vielversprechender Hersteller. Leider nicht zu verwenden ohne Adapter. Empfänger welcher in die Steckdose gesteckt werden muss hat 3 Steckernasen.
N**A
Vorsicht!!
Vorsicht!! Kein deutscher Stecker. In der Beschreibung schnell zu übersehen. Darum für uns unbrauchbar und ging sofort zurück.
Trustpilot
2 weeks ago
3 weeks ago