Green Laser Pointer for Presentation II Multi shape Adjustable Disco Laser Lights II Laser Beam with Safety Locks and (532 nm, Green) .It is compact in size and light weighted product. Extremely bright green 532nm wavelength. Built in improved diode and made by super bright Laser Light technology. Body Color: Black. Laser color: Green. Body Material: Aluminum alloy. Light Style: Beam light. Output Wave: Continuous wave. Super laser pointer, wonderful gift Cautions: Avoid direct eye exposure to laser beam. Friendly reminder: The laser is high power so it runs out of battery quickly. And please don't keep the laser Light on continuously for more than 60 seconds or it will get burnt from inside.