2 pezzi sensori porta/finestra wireless 433 MHz per sistema di allarme HOMSECUR 433 MHz
Wireless Frequency 433MHz±0.5MHZ. Battery Lifespan About 6 -12 months. ® Alarm System. Wireless Door Sensor with SOS Button. ® Wireless Door/Window Sensor. It can be placed on doors and windows and detects when they are opened.