Specifications:

• Volume of the alarm: 120 dB
• Usage: Door
• Unit Type: piece
• Type: Garage Door Hardware
• Three sensitivity: High, Medium, Low
• Size: 135*45*40mm
• Powered by: A 9-Volt Battery (Not Included)
• Package Weight: 0.114kg (0.25lb.)
• Package Size: 14cm x 5cm x 4cm (5.51in x 1.97in x 1.57in)
• Model Number: Vibration Triggered Alarm
• Material: Stainless steel cover
• Battery: 1*9V battery (Not Included)