... production, technical test strictly. 3. Imported stone Q-switch cassette mechanism, the entire solid laser, without ... replacing Q-switch. 4. Painless treatment, little side-effect ... . 5. Easy to operate. Parameters: Laser type: Q-Switched ND: YAG Laser Laser wavelength: 1064&532nm ( ... pulse rate): 1, 2, 3, 4, 5, 6 (adjustable 0.5-3)Hz Light spot: 1-7mm ...