ITEM NAME:Wired Alarm Doorbell Door Access Security Ding-Dong Home Apartment Description: High quality and high security. Classical Appearance with useful function. Professional design for Home and Office. With DingDong sound. With ABS flame retardant material. With 4 white wires. Easy to install. Application: Home/ hotel/ office/ apartment/ foctory, etc The installation is simple and convenient, no need to install batteries, directly connected to 12V power supply. Specification: Type: wired doorbell Dimension: 62x88x24mm(L/H/W) Wire: 4 wires Working Voltage: DC12V Ringtone: DingDong Working Temperature: -10 to +70 Relative Humidity: 0%-95% Application: Home/ office/ hotel/ store, etc Package Includes: 1 Piece Wired Doorbell.With DingDong sound. Ringtone: DingDong. Type: wired doorbell. 1 Piece Wired Doorbell. High quality and high security. Wire: 4 wires.
