Chinatera Portable 350lm Q5 LED Flashlight Torch for Jade Jewelry Appraisal Appreciation Apply high bright LED bulb, energy saving, long lifetime and low power consumption Powered by 1*18650 battery, working time can last 3 hours above Adopt thicken optical glass lens, light transmittance up to 99.9% Bright spotlight, can identify surface and inner cracks High quality aluminum alloy case with anti-skip groove design