Sell ^O^ Indoor Receiver Smart WiFi Visual Accessory Wireless Doorbell M3 Doorbell best price

^O^ Indoor Receiver Smart WiFi Visual Accessory Wireless Doorbell M3 Doorbell Features: 1.Stylish look and touch design. 2.Easy to install. 3.Ultra low power design, power saving and long lasting use. 4.52 polyphonic ringtones. Description: 4-level optional volume adjustment. Specifications: color: black Working voltage: AC 90~250V Operating frequency: 433.92 MHz +-280 KHz Power consumption: 10 mW Transmitting power: 0dbm Sensitivity: -110dbm Volume: 10-110db Size: 81*81*20mm Plug :EU,US,UK(optional) Package included : 1 x Doorbell Notes: Due to the difference between different monitors,. the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Please allow slight dimension difference due to different manual measurement.