marsboy Wireless Doorbell Kit - Waterproof Door Chime Kit Operating at Over 1400 Feet, Door Bell with Two Plug-in Receivers, LED Indicators, 30 Melodies, Easy Set Up for Home and Office

الوصف

marsboy wireless doorbell kits are your best companion in daily life :) A perfect design for home and office use. 1 doorbell transmitter triggers 2 plug-in chime units within 1476ft, stable connection, long effective operating range, strong wireless function. No more worries of missing visitors. Specifications: Maximum wireless transmit power: 27 dBm Wireless receiver sensitivity: 112 dBm Transmission distance: 1476ft Number of ringtone: 30 Package contents: 1 x Transmitter (23A, 12V battery included) 2 x Receivers 1 x Screw installation kit (4 anchors, 4 screws, 1 screwdriver)  1 x Double sided sticker 1 x User Manual