LED Ring Light Model:HS-72 Applications: Stereo microscopes and machine vision systems to inspection or imaging as illumination. ? LED Quantity: 72LEDs ? Mounting Diameter: 62mm, Outer Diameter: 98mm ? Input Power: DC12V 600mA ? Input Voltage: Universal 100-240V AC ? Output Power: 7.2W ? LED Color Temperature: ±6500K ? LED Luminance: ?15000mcd ? LED Angle: 18°?Consistent? ? LED Lifetime: 100,000 hrs ? Working Distance: 95-115mm ? LED Color: White?Optional Other Colors? Features: ? Intensity Adjustment, Good Variable Control Permit Gradual Increase in ?Brightness with Four-zone Lighting Control Separately ? Reliability and Durability ? Low Power Consumption, Super Brightness ? Metal Shell, ESD and Insulativity ? Reasonable Design, Uniformity Light, Non-flicker & Shadow