<br/>LED：5W <br/>Intensity:15000-30000lux <br/>Color Temperature: 6000K <br/>The lifetime of the bulb: 100000 h <br/>Continus run-time: 4 h <br/>Voltage: AC100-240V/50-60HZ <br/>Battery: Lithium Battery <br/>The brightness can be adjust <br/>4 Color for your choose: Blue Red Silver Black <br/>Light Spot Shape: Clear Circle <br/>Net Weight: 295g( Battery--90g Light Source--46g <br/>Charger--68g Cloth Case--83g) <br/>Package: Cloth case 15.5*13.5*6.5cm 0.28KG/PC <br/>Very small volume and weight. <br/>The brightness can be adjustable,suitable for all kinds of requirements. <br/>Easy to fix on all of our loupes <br/>Packing List <br/>Battery case: 1 each <br/>Light source: 1 each <br/>Adaptor: 1 each <br/>User manual book: 1 each <br/>Package：Cloth case