Description:
Easily and affordably prevent intruders from entering through doors - It's great when you travel, too!
No installation is required, you simply place the battery-powered doorstop at the base of any door, turn it on, and go about your business. Plus it has a nonskid bottom so you don't have to worry about it moving around.
 It sounds like a piercing 120 dB siren if the door is forced. On/off switch on back. Each alarm uses one 9V battery（not included）.
An effective way to frighten away intruders No installation required
Secures any hinged door and can be used as a non-skid door stop when the power is off.
Portable Great for traveling door stopper
Goes anywhere you need to feel protected
Requires one 9V battery（not included）

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 sensitivities: High, Medium, and Low
Shape: Wedge-shaped
Size:14*4.5*3.8CM/5.5*1.8*1.5"
Net weight:120g

Package Content：
3Pack x Door Stop Alarms