1、Compact size and lightweight, easy to carry and store, convenient to use. 2、High efficiency cleaning, certain power of ultraviolet light using 1-5 seconds can achieve 99.9% cleaning rate. 3、Ultraviolet cleaning does not need to add any chemical reagent, will not cause secondary pollution to the environment. 4、Simple operation, plug and play, sturdy, durable and long service life. 5、Micro USB interface, can plugged into Micro USB interface of mobile phone to work. 1 x Ultraviolet Light1 x Manual  Condition: 100% Brand NewItem Type: Ultraviolet LightMaterial: ABSOptional Color: White, BlackInterface: Micro USBPower Consumption: 0.5W- 0.8W Cleaning Radiant Power: 4-10mW Cleaning Range: 15-30cm³Wavelength: 255-288nmIrritation Angle: 140°Break-Over Voltage: 5.2V Forward Break-Over Current: 30mA Working Temperature: -20℃-60℃Storage Temperature: -40℃-100℃Weight: Approx. 40g