The wireless motion sensor is an accessory of smart alarm system, mainly for indoor use. With high performance infrared sensor, works under digital dual-core fuzzy logic operative programming and intelligent analysis, it accurately detects human body movement and effectively avoids false alarms. Featured with automatic temperature compensation technology, it ensures high intelligence, sensitivity, and stability.It’s fashion design, energy saving, low battery warning supported and with long transmission distance. The main panel will send a SMS to user for battery changing when needed. With 360o angle adjustment supported, it’s easy to setup and never get stuck.