Feature:1. 3 LED and 1 COB: This gemstone light provides 3 LED light and 1 COB side light that can be used for the detection of small objects, better lighting concentration and penetration effect.2. Aluminium Alloy: This jade appraisal light adopts aluminium alloy shell, which is impact resistant, heatproof, sturdy and durable.3. USB Charging: This gem identification flashlight with 2600mAh battery supports USB charging, can be charged via power bank, laptop and charger.4. Wide Application: This gemstone light is widely used in identification of jewelry, jade, jadeite, etc., also suitable for fake currency detection, outdoor lighting, camping, etc.5. High Safety: This gemstone identification light is equipped with power protection system to prevent overload and excessive discharge.Specification:Item Type: Gemstone LightMaterial: Aluminium AlloyInbuilt Battery: 18650 Lithium Battery 2600mAh ( Battery Included )Light Source: White Light, Yellow Light, Purple Light, Side Lamp COB White LightControl: Button (Click to Switch White Light, Yellow Light, Violet Light, Long Press to Switch COB Side Light White Light)Light Bead: 3 LED + 1 COBCharging Method: USBProduct Size: Approx. 153 x 20mm / 6.02 x 0.79in ( Manual Measurement, Slight Error May Exist )Weight: Approx. 268g / 9.45oz.Package List:1 xGemstone Light( Battery Included )1 x USB Cable