Standalone Door & Window Alarm Super loud alarm, volume up to 110dB Durable battery, 3 LR44 Universal design, simply installation and easy to use.

Widely use in door, window, refrigerator door and file cabinet.

Battery Life: 1 years Application: Home Automation Material: ABS Size: 9*14*2 cm Color: White Warranty: 1 Year Country of origin: China