Features:        1. Comfortable light source: using LED chips, high transmittance and high-definition mask, high brightness, longer life, low energy consumption.        2. Safe drive: constant current voltage regulation, constant current drive, stable current, more durable.        3. High precision: It has precision machining, moderate weight, corrosion resistance and high mechanical strength.        4. Material: LED adjustable ring light is mainly made of plastic, environmentally friendly and durable, and can be used for a long time.        5. Bright lighting: LED adjustable ring light has 144 lamp beads, supports 35000 Lux, high light transmittance, high color rendering.            Description:        The microscope LED adjustable ring light has high light transmittance, high color rendering, no video flicker, energy saving and environmental protection.            Specifications:        Shade: fully transparent        Material: plastic        Working distance: 50~250MM        Number of lamp beads: 144        Dimming range: 0~100%        Input voltage: AV 100~240V/ 50HZ, 60HZ AC        Output voltage and power: 12v DC<4W        Distance: 60mm        Lumens: 35000Lux            Package Included:        1 * 144 LED ring lights (without battery)