The technical parameter: 1? Working voltage: 12V-240VAC 2? Max. wattage: 1.44W/m for the lamp in Red, Yellow, Orange, Yellowish Green2.52W/m for the lamp in Green, Blue, White, Purple 3? Working temperature: -40°C?? +75°C 4? Outer diameter: ?16mm 5? Outer color: clear or colorful 6? Life of LED: 100000 hours 7? Protective grade: IP67 8? Inner using of ?5 emitting diode 9? Length could be extended as per customer?s need 10. Regulations: IEC928/929/598