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Details:
Product Type: Wireless Door Bell
Weight: 225g
Size: 110*75*180 mm
Frequency: 433MHz±0.5MHz
Active pressure wave(receiver): ≤-57dbm
Negative pressure wave(transmitter): ≤-36dbm
Power supply(receiver): AC 110/240V
Power supply(transmitter): 1X12V 23A (ALKALINE BATTERY)
Working power consumption: ≤ 5W
Transmit power: <10mW
Operating range: 120 METERS(OPEN AREA)
Sound options: 32 chimes,36 Polyphonic melodies
Package: 1* receiver,1*doorbell, 1* adhesive strip, 1* screwdriver, 2* screws
How to mount the doorbell:
The doorbell is mounted by simply sticking it to a wall using the included adhesive strip.
1. Peel off one side of the adhesive strip and attach it to the rear of the backing plate, ensuring none of it is visible from the front.
2.Find the area you want to mount the doorbell. Flat, smooth surfaces are good choice. Make sure they are clean and dry before mounting.
3.Peel off the other side of the adhesive strip and attach the doorbell to the mounting surface.
How to set the volume and chime:
1.Press the volume button to change the volume, 4 levels of adjustable sound volume are offered and changed from high level to low level circularly.
2.To change chimes, press the Chime button to move to the next chime. A chime will play each time you press the chime button. You do not need to confirm your selection. The chime playing is the chime selected and the one which will be heard when the doorbell is pressed. 36 chimes can be changed in order circularly.
Feature
Choose your favorate chime, 36 different ring tones. Operating range of over 500 feet (1000 feet in open area). Four levels of adjustable volume.