... temperature-25~+45°C shape round production experience 6years light sourse SMD5050/3528 usage indoor beam angle 360° feature1 ... -shake, convenient for trnasportation.7.Instant start, no flashing. solid state, shockproof8.The light is harmless for skin and eyes ... application1.Ideal for the replacement of traditional light.2.Building,supermarkets, hotels, restaurants,hospital,school,factory, ...