The Norland Opticure LED 200 is a powerful UV curing system that uses a powerful light emitting diode as its light source. This ergonomically designed, portable, hand held unit is powered by a rechargeable lithium ion battery. The Opticure LED has a UV energy output at full power of 2.5 W/cm squared at 365nm. A microprocessor provides control of timing, audible indicators, temperature sensing, exposure time, and battery management. An LCD on the back of the light source provides a read out of selected time exposures of 10,20,30,40,50,60 seconds and 3 minutes. The LCD also displays the battery discharge level. The unit can be manually turned off at any time by pressing the trigger a second time after your initial start. The Opticure LED UV curing system includes a light source, two rechargeable lithium ion batteries, battery charger, light source stand, UV blocking glasses and carrying case. This light source is CE approved.