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Long Distance Small Size Bluetooth BLE 4.0 4.1 Smart wireless door bell
RB50 is a mini wireless doorbell button that works with Receiver or Control Panel.Receiver or Control Panel will sound a chime after receiving the doorbell button’s signal. It is easy to install and designed with beautiful appearance. Besides, it has battery level monitoring function, and adopts ultra-low power consumption design & 16 million unduplicatedcodes.
Features of Wireless Doorbell RB50
1.16 million groups of unduplicated codes
2. Battery level monitoring report
3.Ultra-low power consumption and extra-long standby time, 3 years of battery working life
4.VO grade inflaming retarding PC enclosure
5.Waterproof and moisture proof structure design
Parameters of Wireless Doorbell RB50
Name | Parameter |
Model No. | RB50_BLE |
Protocl | bluetooth BLE4.1 |
Working Voltage | 3VDC (1PCS CR2450 button battery) |
Working Current | Static current≤1uA; transmit current≤12mA |
Communication Distance | 100m (open area) |
Output Signal Types | trigger report, battery level status report |
Working Humidity & Temperature | -20℃~60℃; ≤95%RH no condensation |
Dimension | 70*43*18mm(L*W*H) |





Shenzhen Kaipule Technology Co., Ltd. is founded in 2005, which owns 10,000 square meters factory & more than
800 staffs; With experienced R&D team, advanced production equipment, and perfect management system, we can offer complete
solutions for OEM/ODM projects, Here we are proud to say that we have our own mould workshop, that means, all our prodocts
moulds are produced by our company; So, If you need your own new mould, Kaipule can give you greatest support.
Besides, we already had the approval of many certificates, we run strictly according to the ISO9001:2000 quality management
system to guarantee standard operation. We also comprehensively executes “5S” actions,
which is to comfort working environment and enhance benefit.
Warmly welcome to join us anytime.



Q: Why choose Kaipule? Any advantages?
A: The answer is Yes. There are 5 advantages.
(1)Mutual benefit : We are a factory, Competitive price in the same quality.
(2)Customize : We have strong R&D team, can custom product as your request.
(3) Free OEM service : (a) Silk-printing your Logo(≥1000PCS). (b) Design your color box(≥3000PCS).
(4) Mix order : We accept mix order, different model and small quantity order.
(5) After service: (a)2 Years Guarantee.
Q: Can I order one piece for sample to test the quality?
A: Yes, We recommend to check the sample before order.
Q: May I have your catalogue and price list for trial order in MOQ quantity?
A:Yes.
1. Factory direct sales
A manufacturer which have 13 years experienced with R&D and QC team,they perform strict quality control,to make sure each product work well.
2. Good Service
Your inquiry related to our products or price will be replied within 8 hours.
3. After sale service
Any technologic problems and quality problems,you can contact us by email .
We will do our best to help to sovle your any problems as soon as possible.
4. OEM/ODE available
Silk print logo/customized color box
5. Faster delivery
Sample order in stock, and 7-15 days for bulk production.
New products from manufacturers at wholesale prices