Features: 1. Wood's lamps is a skin diagnostic light that can be used to detect skin problems such as vitiligo and psoriasis, allowing you to detect and monitor the condition . 2.The lifespan of LED lamps is 40 times longer than that of UVA lamps. Our Wood's lamps use LED light sources, which have a wide illumination area, are clearer, more energy-efficient and more . 3.Two levels of light intensity can be adjusted, and the clear observation port allows you to easily obtain clear observation results. 4.Easy to use: one-button operation, no complicated steps, simple and convenient to use; no need for goggles, direct observation. Specifications: Color: White Material: ABS+PC Charging voltage: 5V-1A Power output: 5W Output voltage: 3.7V Built-in battery capacity: 1500mAh Visible lens diameter: φ55mm±1mm Working distance: 10cm±3cm Light source life: ≥15000 hours Visual lens magnification: 3 times ± 20% Net weight: 0.206KG Product size: 24 x 10 x 3cm Package Contents: 1 x Woods Lamp Skin Analyzer 1 x USB Cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.