The Nighthawk 16.5W LED floodlight is equipped with a 12m PIR sensor which works by detecting infrared light given off by a moving object or person that emits heat. If multiple floodlights are required it can be linked up to 4 standard NH150 floodlights, which allow the PIR and photocell functions to activate all 4 lights. Features LED floodlight – 1500 lumen output 40,000 hours LED life Low energy 16.5w max. power consumption 160 degree PIR detector Wide spread illumination up to 120º Adjustable on time of 5 secs to 5 mins Adjustable lux – dusk to dark Adjustable floodlight and PIR direction – Horizontal and vertical axis Additional switching capability – 50W LED – 500W halogen Ideal for use with up to four NH150LED floodlights Weather proof, suitable for external use