Specification: 1. Imported high power LED and four chips inside. 2. Blue-ray output wavelength:430-485nm. 3. gradually bright, shiny,bright-wide, the work of three models to choose. 4. Three gear output timing:4s, 6s, 8s. 5. Blue-ray illumination: 5W?18 the effect of curing time: 6s: 2-3mm. 7. any brand can be cured resin material. 8. three power options: A type: Li-ion battery power: B type: AC110-240V power supply, C type: AC24V power 9. Reliable structure and easy operation. Guarantee: 1. Mainframe, LED light:2 years. 2. ower Cord, Transformer:1 year. 3. Battery: 3 months