Features : * Long battery life ( battery not included)  * Form C alarm output and tamper output  * Battery saving timer function  * Active IR digital anti-masking function  * Mounting height 2-3m  * Intelligent and detection logic  * Double conductive shielding  * Dual signal processing circuit  * Vegetation sway analysis logic  * Ideal detection area setting .     Model : OP862-22-HX-40RAMC      Manufacturer : OPTEX