This outstanding vibration alarm is easily mounted to doors or windows with two-sided tape and detects the slightest shocks or impacts. A 90 dB siren sounds within 2 seconds of detection with an auto shut off after 25 seconds. This set includes two alarms to double security around your home, shop or office.

• Detects shock and sudden impacts to windows and doors
• 90 dB siren sounds within 2 seconds of detection
• Auto shut off after 25 seconds
• Easily mounted with two sided tape
• Set of two alarms