... Power Green Laser Pen 1.Used for teaching,training,speech,presentation 2.Power output:1MW-200MW 3.CE,RoHs approved High Power Green Laser ... 148*14.7mm Color:silver Battery:2 pcs AAA Laser light: green laser light Output power:classII<1mW&ClassIII<5mW Wavelength: ... Control distance:over 15m Certificate:rohs. Fda& CEFeatures: 1.green laser pointer, page up and down 2.usb plug, no driver requested ...