... hours 4.Output power:5mw,10mw,20mw,30mw,50mw 532nm 5 in 1 Laser Pen Laser Pen Specification: Laser color: GreenGreen laser ... -8000 meters Switch: Momentary switchExpected Lifetime: > 8,000 hours Body Material: BrassWavelength: 532±10nm Power source: 2*AAA Battery (Not ... more than 8000hoursThis 5 in 1 laser pointer is very powerful laser pointer with 5 star caps. 5 caps can create 5 types of patterns ...