... Skin rejuvenation High Quality Q-Switched nd yag Laser Machine Theory The Q-Switched Nd:YAG laser ... 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 ... (pulse rate)1, 2, 3, 4, 5, 6 (adjustable 0.5-3)HzLight spot1-7mmPower supply:220V ...