BRIGHT RED LASER BEAM: Latest crystal technology to produce a bright 650nm red laser beam that reaches a range of 1 mile during night-time hours. 4 CUSTOM SYMBOLS: Custom pointers that rotate as you change the pen's cap, including the following: precision dot, circle, narrow line, and an arrow. MATERIAL: Brass POINTER DISTANCE: Feet Maximum 9000 POINTER TYPE: Laser Pen Pointer FEATURES PROVIDED: Battery and Case SPECIAL FEATURES (RED): Red Laser Presentation Pointer. 650NM Wavelength. 4 Patterns, Point, Circle, Arrow, Line. <5MW Power Output. Black Barrel. FRAGILITY FACTOR: Moderately Rugged COLLOQUIAL NAME: Multi-Symbol Laser Pointer