... Parameters: Range of Output Power: 1~30w, adjustable Laser Output Mode: Focusing, defocusing, diffuse beam Focal Length ... of Working Heads: F=100mm Conducting Beam: Red diobe laser (650nm, 2mw) System Control: Microcomputer control ... ; HJZ-2B (ILIB laser, 4mW, single laser tube) ; HJZ-2B (ILIB laser, 4mW, double laser tubes) ; 3. Semiconductor laser therapy apparatus HJZ-2C ...