This is an easy chimeplug -in wireless doorbell ,there are 52different chimes for your choice with 4levels of adjustable ringing volume from 30-110dB .
And it works withinrange 200 from 700 feet approximately, you can easily install it to anywhereyou like and add additional transmitters or receivers. This product supports 10transmitters at most. Besides ,our product has lower power consumption and theIP44 waterproof transmitter keeps your devices operating normally,it is niceand fashionable with a stylish modern design in classic white.
receiver :80*80*23 mm/3.15*3.15*0.906 inchs
Transmitter:86*33*18 mm /3.39*1.39*0.71 inchs
Weight : 121g
Voltage of plug -inreceiver: AC 110V(US ) 220V (EU,UK,AU)
Voltage of battery typereceiver: DC4.5V (3*1.5V AAA batteries)
Power consumption of receiver :
Power consumption oftransmitter: below <10mW
Rating of waterproof : IP44
Battery in button : 12V 23A alkaline battery
Working range：over 900 feet inopen air
Selectable ring tone : 52 pieces
Volume range : 30-110dB ,4 levels
Expanded (yes or no ): yes
Working frequency : 433.92MHz ± 280KHz
Working temperature : -30℃-70℃/-22℉-158℉
Doorbell's signal can be effected by metal, walls, concretesand interference signal from other electronics .
Please Do Not install transmitters on metal doorssince metal is not easy for the signal to transmit .
It will be working normally at the distance of 30 malthough there are obstacle.
1 x Push Button (Transmitter)( battery included )
1 x Plugin Chime (Receiver)
1 x screwdriver
2 x Screws
1 x Double-Sided Adhesive Tape
1x User Manual