Hello, this video is from CivilLaser,it's a 532 nano meter green DPSS laser, the max output power is 4 watt, and the output power can be adjustable from 0 to max 4000 Milliwatts.From June 2018, we will use new power supply for our high power D P S S laser.Let's check it now. 532nm 4W 5W 緑色 高出力 DPSS 固体レーザー TTL 変調 https://www.civillasers.com/index.php?main_page=product_info&products_id=271