... , otorhinolaryngology. Major Technical Parameters: Range of Output Power: 1~30w, adjustable Laser Output Mode: Focusing, defocusing, diffuse beam Focal Length of Working ... , diffuse beem adjustable, 25mW) ; HJZ-2B (ILIB laser, 4mW, single laser tube) ; HJZ-2B (ILIB laser, 4mW, double laser tubes) ; 3. Semiconductor laser therapy apparatus HJZ ...