Timeguard ECO36PIR 36w Energy Saving Floodlight with integral PIR sensor. Superb online price at just £31.50.  36W energy saving bulb provides approx. 75% energy saving compared to a standard 150W halogen bulb at approx. 25% of the running cost. IP44 weatherproof rating.  Adjustable sensor for time and lux settings. Manual on/off switching override. Time adjustable from 30 seconds to 7 minutes.