Industrial microscope 144 led adjustable brightness source dimmer ring light microscope illuminator lamp 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