UV flashlight can detect scorpions, counterfeit coins, invisible spots in hotel beds, clothes, carpets and animal stains Zoom feature Material: Aluminum alloy Size: about 11 cm long Power supply: USB charging UV395NM, UV365NM Luminous Color: Light Purple Zoom: Telescopic Zoom Battery: Built-in lithium battery 18650 800mAh Charging method: USB charging Endurance time: 3-8 hours