Feature: 1. Three Lighting Modes: White light, yellow light and purple light, are controlled separately by three buttons. White light and yellow light support stepless dimming brightness to meet the needs of different jewelry recognition. 2. Portable Design: With a pin, can easily fasten on the backpack or pocket. Small size, light weight, does not take up space. 3. Easy Charging: Built in 2600mAh large capacity rechargeable lithium battery, USB charging and type C charging, lasting endurance, energy saving and environmentally friendly. 4. LED Lamp Beads: This jade identification flashlight uses high performance LED lamp beads, high power, life up to 50,000 hours. 5. Durable Materials: Made of stainless steel and aluminum alloy materials, heat and pressure resistant, can be used for a long time. Specification: Item Type: Jade Appraisal Light Material: Aluminum alloy Weight: Approx. 271g/9.6oz Size: Approx. 135x20mm/5.3x0.8in Built In Battery: lithium battery 2600mAh (included) Light Source: White light, yellow light, purple light (button adjustment) Lamp Bead: 3 LED Control: 3 buttons (respectively open white light, yellow light, purple light) Whether It Is Adjustable: white and yellow light can be stepless dimming by long pressing, violet light is not adjustable Charging Mode: USB and Type C. Package List: 1 x Jade Appraisal Light1 x USB Cable