The TX-114SR is compatible with leading wireless transmitters for rapid deployment in remote or difficult-to-cable-to areas, ideal for triggering CCTV, lighting or warning systems in commercial, domestic and industrial applications. Dual-Zone: Up to 12m (40ft) x 90 degrees. Dual-Zone sensor head can resist detection of small animals. Ultra-Low Current Consumption. Powered by 3V to 9V Alkaline or Lithium Battery. Can be used with numerous Wireless Transmitter Models (Not Supplied). Adjustable Pulse Count & Sensitivity. 0.8-1.2m Mounting Height.