102709 - Model: CXJG2 - Color: Black - Aluminum alloy housing - Output power: < 5mW - Wavelength: 625~660nm - Tube diameter: 19mm - Adjustable rail width - Switch type: Clicky/Clickie - Switch location: Tail-cap - Powered by 3 x LR44 batteries (included) - Package includes: - 1 x Red laser gun sight - 1 x Wired remote switch tail cap - 2 x Hex wrenches Dimensions: 3.15 in x 1.38 in x 1.18 in (8.0 cm x 3.5 cm x 3.0 cm) Weight: 2.01 oz (57 g)