Description Specifications Wireless alarm that can be installed on doors and windows. Due to its small size, it is discreet and adhesive. The alarm sound level reaches 90 dB. Powered by 3x1.5V LR44 batteries, which need to be replaced no more than once a year. Width: 31 mmLength: 63 mmThickness: 20 mmPower supply: 3 x 1.5 V LR 44Color: WhiteAlarm sound level: 90 dB
