ding dong doorbell
This series switch include door bell switch, Dont disturb and clear up function.wire ding dong doorbell

ding dong  doorbell

Technical parameters:
1. Working Volatge: AC220V+/-10% (50/60Hz)
2. Shake Demsion: 86*86*35mm
3. Packing: 100PCS/CTN

Features:
1. Facilitate and safe operation, noiseless and environment, and environmental protection.
2. Attractive appearance, comfortable, reliable, sound security and long life;
3. Brightness Neon bubble instructions, clear and aesthetic;