... , Red,Green,Blue,Yellow,RGB,UV Operating Temperature Range-20°C to 80°C Storage Temperature Range -30°C to 100°C Lifespan50,000h The Feature of ... .4.Wide veiwing angle.5.Available in white:2500k to 25000k(higher color temperature is also available)6.Lamberatian radiation pattern.7 ... than incandescent and most halogen lamp.8.Cool beam, safe to touch.9.No UV, No RF interfence .10.Instan light11 ...