Some customers will ask if there is no driver of led ufo high bay, will life affect?In fact, in order to cater to this LED market, the development of a new lamp, its has certainly advantages and disadvantages, but still advantages outweigh the disadvantages. IC certainly lifetime is shorter than UFO highbay lamps with power. However, our company has a 3-year warranty. During the warranty period, if UFO highbay lamp is broken and it meets the replacement conditions of our warranty book. We will send a new lamp. Don't worry about this.This without power UFO high bay light, currently it's very popular products in our company, The customers are placing orders in large quantities. We have a large inventory and the delivery will be very fast. Mainly used in industrial areas, such as factories, warehouses, indoor tennis courts, basketball courts, etc.