Features:
A self-powered doorbell that requires no battery.
Wireless range up to 150 meters (in open area).
4 volume levels between 0-110dB (can be set to mute).
51 ringtones.
Easily maintained and fixed.
Prevents interference in design, the signal will not interfere with each other.
Specifications:
Transmitter size: 75 mm x 45 mm x 18 mm
Receiver size: 100 mm x 66 mm x 30 mm
Plug: EU plug
TYPE: A: 1 Receiver + 2 Transmitter B: 2 Receiver + 1 Transmitter
Note:
1. The button cannot be placed on an iron door because it will interfere with the signal.
2. Works in heavy raining, however we recommend buying a waterproof cover for long-term use. Otherwise, the life expectancy will be shortened.
Detail Pictures:
