Built-in infrared motion sensor adopt advanced digital fuzzy processing and combined with digital temperature compensation, reaching a low rate of false alarm. It is resistant to RF interference
Multi function integrated: welcome, wireless doorbell, warning alarm and other functions
The human voice (Ding Dong, Hello, welcome) and 32 pieces of song and alert sound for your choice
Digital energy saving design, low power; Two power supply modes, 3 AAA batteries, 9-15V DC power adapter
4 volume degree adjustable

Technical Details

Product Details

Package Dimensions
Width : 4.8 inch
Height : 3.5 inch
Length : 6.7 inch

Shipping Weight: 4.8 ounce (View shipping rates and policies)

ASIN : B016LB2YGY