Welcome Infrared Chime Doorbell Alram
4 reviews

Features:

Infrared sensor adopt to digital fuzzy treatment, automatic temperature compensation, Radio frequency anti-interference, has low rate of false alarm.
Integrating a variety of functions,welcome,wireless doorbell ,guard defense and so on.
choice of power supply :3 AAA battery and 9-15v power adapter.
Support human voice,32 beautiful songs and alarm.
level of adjustable sound volume.

Specifications:

Power supply :
DC 9-15V (battery not included)
Detection range:
4-8 m 
Volume:
4 levels adjustable (Can't adjust volume at alarm mode) 
Induction method :
infrared sensor triggered 
Ambient temperature/humidity :. -10 -40 5% -95% RH 
Detection Angle:
Horizontal Angle of 110 degrees, vertical Angle of 15 degrees 
The main function:
Automatic body sensing , ultra-long , wide-angle detection. Adjustable direction (with stand). Host built-in speakers, alarm loudness of 75-95 db 
Installation :
No need professional personnel, easy to install yourself 
Installation height:
1.5m-2.5m 
Music:
32 music and vocals optional 
Size:
Height 7.5cm Width 8cm , thickness 4.5 cm (with base - base can be flat or fixed on top) 
Battery:
3 x AAA batteries (batteries are not included)

Technical parameter:

Working current:<80mA
Working temperature:-10- 50
Detection range:4-8m
Detection angle:110°
Installation height :1.5m-2.5m
Battery installation schematic diagram:
Pull the switch battery cover, open the battery cover
Installed correctly

Package content:

welcome doorbell*1 (Without battery )
adapter*1

GARANTIA

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