ARD1233-W2-868 is an 868 MHz wireless PIR motion detector for residential and commercial security alarm systems. It offers detection up to 12 meters, a Pet Immune function, and 3 adjustable sensitivity levels. The two-way communication ensures a range of up to 1600 meters in open field, with AES128 encryption and Frequency Hopping technology. Powered by a CR123A battery, it features an LED indicator, supports cloud updates, and is designed for wall mounting. Dahua