This series switch include door bell switch, Dont disturb and clear up function. Dont disturb and clear up are dispalyed Technical parameters: 1. Working Volatge: AC220V+/-10% (50/60Hz)2. Shake Demsion: 86*86*35mm3. Packing: 100PCS/CTN Features: 1. Facilitate and safe operation, noiseless and environment, and environmental protection. 2. Attractive appearance, comfortable, reliable, sound ...