Multi Pattern Laser Pointer Pen Multi Pattern Laser Pointer Pen Size: 13.5X156mm Wavelength: 532nm Power: 5mW (10mW ... 150mW,200mW also for clients ) Battery : AAA* 2pcs Laser pattern: • , - , + , → Laser type: Visible laser Diode Laser Range: Over 1000-10,000meter Technical Parameter: Fixed ... hours Function: Can be used as indicator, teaching baton Color: silver Package: EVA+delicate sliver iron box