About this item
- Easy installation: no need of drill, just stick to door/window by using adhesive
- Replaceable battery: once battery is weak just replace them by opening cover
- Sharp ear piercing sound: inbuilt siren give sharp siren sound as soon as door/window gets opened
Noise Level : 80 dB
Product Dimensions : 10L x 10W x 5H Centimeters
Country of Origin : China
Item part number : NS-Security sensor-4
ASIN : B07KZQ94QL
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