100% brand new and high quality
This is an upgrade door stop than others.It is more durable than others with better quality.
3 Sensitivity Levels - Low - Medium - High, with an adjustable sensitivity switch on the side.
Very loud shrill that would definitely scare someone away with 120db alarm.
You can use it as common door stopper when turn down the ON/OFF switch,hold door in open position.
No installation required. Requires one 9 volt battery(Not include).Portable and easy way to add piece of mind when traveling or working alone
Suitable for gaps between the bottom of the door and the ground between 10mm and 3.5mm
Color: Silver and black (as shown in the pictures)
Material: Stainless steel cover
Working modes: Vibration sensor
Volumn of the alarm: 125 dB
Three sensitivity: High, Medium, Low
Battery: 1*9V battery ( not include)