ADB439 беспроводной дверной звонок батареи

ADB439 WirelessDoorbell Wireless Recordable Doorbell 1.Water-proof transmitter can be installed outoors or indoors. 2.32 sounds selectable. 3.10-sencond record. 4.LED indicator in the Receiver. 5.operating range is up to 100m on open air. 6.transmitter uses one 12V 23A battery(included)Receiver uses three 1.5V AA batteries.(not included) 7.Built_in a 57mm speaker for more clear sound. CE/GS Model Receiver Sender Remote control Size Packing distance(m) (pcs/m3/kg) ADB439DC 3*1.5V/AA DC12V23A >=100117*108*36 40*0.089*11