BOSCH, Radion Series, Wireless glass break detector, Sliding self-locking enclosure, Tamper switch, Suits RFRC-STR2, RF3212E, B810 & RF120 receivers, 433MHz

Dual frequency acoustic based detection technology. Sliding, self-locking enclosure for easy installation. Up to 5yrs operation via 1x user replaceable CR123A battery. Supervised for low-battery, cover-tamper & mounting surface tamper conditions.