... Wavelength430nm/480nm/530nm/580nm/590nm/640nm/690nm(optional)Operating interfaceE-light:8.4" True color touch screenLaser:5.1'' Display ... 480,530,590,640nm1200nm (standard)430,560,690nm1200nm (optional)Light energy:050J/cm2Pulse No.:1--5Pulse space:560msPulse duration:215msRepeat ... one Electric Co., Ltd. Company Address: No.155,Beiyuan Road,Tongzhou District,Beijing,China.Tel: +86-10-67678154 Cell phone ...