Description : 1. Long Range up to 300 Meters. 2. Low power consumption. 3. Stable photo cell control. 4. IR LED sensitivity variable through VR. 5. Aluminium body. 6. High impact poly carbonate. 7. Power Source DC12V/AC180-260V. 8. Cooling fan built in. Specification : 1. Model no.: BKC300RO. 2. Ir ranage: 10m-300m. 3. Ir led: 14-294 pieces. 4. Ir wave length: 850nm. 5. Ir radiation angle: 20-60 degrees. 6. Ir life time: 20,000 hours. 7. Ir control: automatic photo cell sensor. 8. Ir sensitivity: variable through vr (select a timing to turn on or off). 9. Front and rear cover of housing high impact poly carbonate (unbreakable). 10. Housing and sunshield: aluminium alloy. 11. Power source: Dc12v/ac180-260v. 12. Power consumption: 1-5a (max). 13. Ambient: -10 - 50C(14~122F) ; 30 - 90 %rh. 14. Dimensions: (w) x (h)x (d)mm. 15. Weight: approx. 1-3 kgs .