Door/Window Sensor

● Plug and play.
● Low battery alert.
● Easy battery replacement.
● Support tamper-proof alarm.
● Support anti-dismantle alarm.
● 2-year battery life with low power consumption.
● Real time monitoring closed/open start of door or window.
● Dual-reed switch fit for different door or window directions.
● Super low power consumption design, battery lifespan up to 24 months.