We have two models of our dental Led curing light: Wireless and with wire. HN-016 A is wireless. Technical Date for HN-016A: a) Original imported big power LED , two types of power: 3w, 5w to choose. b) Blue light output, wavelength: 430nm-490nm. c) Three working modes: gradually, flashing, all light. d) Digital LED display. e) Brightness: 3w: e1100 mW/ C m2; 5w: e1400 mW/ Cm2 More requests, please contact with us online: MSN: laitekeji@ hotmail.com Skype: jennydeng86 E: jennydeng86@ gmail.com