Features:
Waterproof design, suitable for indoor and outdoor.
The doorbell can use in office,home, hospital,factory,restaurant or any where you need it.
300 meter receiving distance (In the open area),Stable quality is ideal for villas, hotels, schools and other areas.
The button cannot be placed on an iron door because it will interfere with the signal.
Just plug the receiver into an electrical outlet,the push button transmitter can be stick it to the door with provided adhesive tapes.
Specifications:
Model: A20
Color: black, gold, silver
Socket: US, EU, UK
Operating range:300 meters in open area
Volume:4 levels (20-85dB)
Ringtones:36 pcs
Transmitter size:77*46*20mm
Receiver size:90*56*20mm
Battery type: 23A 12V alkaline battery (battery not included)
The receiver voltage: 110-220V
Waterproof grade: IP44
Package includes:
1 x Doorbell Push Button
2 x Doorbell Receiver
Details Pictures:
