120db door stop alarm Security System Home Wedge Shaped Stopper Alert Security System Door Stop Alarm Block Blocking System

Product information：

Color: silver and black
Material: stainless steel cover
Working mode: vibration sensor
Alarm volume: 120dB
Three kinds of sensitivity: high, medium and low
Battery: 1 * 9V battery
Size: 14 * 4.5 * 3.5cm
Net weight: 94g

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