... ,Degradation testing time/2hours.What the difference from LED UV lamps and ordinary style nail uv lamps?1. Friendly environmental, The ordinary tube ... recycle, when it is broken. However, the LED nail UV lamp makes use of LED which is semiconductor luminescent device. It has no ... energy consumption is very low. For instance, a 2.5W LED nail UV lamp only costs 0.0025 kilowatt/hour. 3. Safety ...