Specification:
Type:Door Stop Alarm
Material: Stainless steel cover/Plastic body/Damping rubber bottom.
Color:Black
Volume:≥120(dB)
Working voltage : 9(V)
Working current : 0.2(mA)
Battery: 1*9V battery(Not include)
Three sensitivity: High, Medium, Low
Shape: Wedge-shaped
Size:14*4.5*3.8CM/5.5*1.8*1.5"
Net weight:120g/4.2oz