Each heater emmits 1.2kW (2 * 1.2kW) Wall or ceiling mountable Efficient and cheap to run No fumes or smell Instant heat-up Waterproof Infresco-P Soft-start Controllers with Movement Detector 3.5kW Soft-start Controller with Movement detector The lamps are switched on for a fixed time period of 5 minutes. This period is reset each time the PIR detects any further movement. Installation is simple and once installed is relatively maintenance free.