Led Uv Flashlight with 4 Light Source 365nm Jade Gemstone Identification Jewelry with Built-in Rechargeable BatteryOOTDTYComs: The shell is made of aluminum alloy materials, wear-resistant, anti-rust and anti-corrosion, good stability, durable. Good brightness and long lifespan. With power protection system, it can prevent overload and over-discharge. The double-head flashlight has 4 light sources, meets your different jewelry identification needs. Built-in high-capacity lithium battery, which can be directly charged by USB cable, long for batteries, power consumption and convenient charging. The flashlight is lightweight, small in size, compact in design and easy to carry. It is used to detect jade, jewelry, beeswax, agate, coins, banknotes, etc. Specification:Material: Aluminum Alloy Size: 162x3 0mm/6.4x1.2in Battery Type: Built-in 3.7V 1800mAh Lithium Battery Duration: 2-3 hours Charging Time: 3-4 Hours Package Included: 1x Jade FlashlightNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.