Features: Mainly used on facade of a building or decoration Compact, Beautiful, art appreciation is strong, easy to set up Luminous efficiency of 5w is better than halogen lamp of 50w Built-in constant current power supply With its own IP68 waterproof junction box, the power wires are conceale Professional grating lens, the luminous efficacy up to 80% Application: It was widely used on facade of a building or decoration. Specification: Led Type: LUMILEDS Chip Size: 45*45mil Color: Red/Green/Blue/White/Warmwhite/Amber Luminous Efficiency: 40 /52/ 15/ 95/ 75/ 42 (Lm/W) Luminous Decay at 50%: 20000hours(for actual lifetime should inquiry the supplier) Power: 5PCSx1W Voltage Input: AC220V Power Efficiency: 85% Control Method: Monochrome parallel connection Material: Aluminum alloy with surface anode oxidization IP Degree: IP65 Insulation: Class I Power cable: RVV3*0.75 Ambient Environment: -35°C +40°C Lens: 12°, 24°, 14x34° can be choose