DescriptionName:Green Light Laser Pointer Dimension:14x160mm Technical Parameter: Fixed focus, green dot facula, continuous output and working time over 5000 hours Output Wavelength:532 nm Output Power:5mW ( 1mW, 10mW,15mW,20mW,30mW,50mW,80mW,100mW,200mW also for clients ) Working Voltage:DC=3.0V Trigger Voltage:DC=2.3V Working Current:I<250mA Working Temperature:20 - +35 Storage Temperature:-20 - +60 Appearance and Color: Black alternate with white (according to the request of customer) Function: can be used as indicator, teaching baton.