Long lifespan >50,000 hours. Working temperature: -20 degree Celsius--+40 degree Celsius. No UV, No IR radiation Description: 5w GU10 ... power led: high powwer cree. Lens beam angle: 30,45,60 degree . Protection degree: IP54, indoor use only. Color available: white, warm white ... brightness. Material: Molded Aluminum housing. Beam angle: 30°/45°/60°or 68°. Safety standard:CE and RoHs. paramer: Part NO ...