Green laser pointer with 5 heads in 1 Glp0001 green laser pointer with 5 heads in 1 Specification Battery:2pcs*"aaa" Laser type:visible laser diode Wave length :532nm Output power:5mw, 10mw, 20mw Deam distance :1500-5000meter Body size:160mm(l) x 14mm(dia) Body material: brass Shell color: black, silver, black&white