Product description
Working voltage: AC 100-250V 60Hz/50Hz
Operating frequency: 433.92 MHz
Operating temperature: -10 ° C~+45 ° C
Volume: 25~85dB (3-level volume adjustable)
Receiver size: L95×W54×H68mm
Easy installation: The doorbell is easy to install and remove, no need to drill holes in the wall. it can be easily installed on a doorknob without any tools.
Power supply: The power supply is powered by a usb cable, which can be used to charge your phone or other electronic devices.
Waterproof: The waterproof doorbell is made of high-quality pvc material, which can effectively prevent water from entering and keep your home clean.
1 x Pack of Mounting Accessories
1. The button cannot be placed on an iron door because it will interfere with the signal.
2. Works during heavy rainfall. Waterproof cover is recommended for extended use in heavy rain