75 x 50 x 25 mm
1,000 piece(s)
SH228
110 dB
4 x LR44 Batteries
Hong Kong or China
White
Adjustable “HI”/“LOW” Sensitivity.
Mount it on the door/window by adhesive tape.
When the glass is being hit or knocked, the unit will give out 10 - 20 seconds siren.
45 days