Wireless motion detector, PIR detection range 12m x 120° (curtain, tele and pet lenses optionally available as accessories). Immediate or delayed alarm. Sensitivity adjustable. Includes tamper switch. Additional input for wired detectors (NC). Frequency: 868 MHz. Power supply: 1x 3.6V AA lithium battery (LST14500, included). Dimensions: 60 x 110 x 55mm.