Red Laser Pointer 1.Wavelength: 650 nm 2.Size:9.60 x 142.00mm 3.Power output: <5mw 4. ... Expected Life: over 5,000 hours 5 x 3-in-1 Red Laser Pointer Beam Light + PDA Pen + Ballpoint ... Range of approximately 12,000 feet and clearly visible in the dark.* Output Type: Fixed focus, continuous output ... .* Lightweight and handy design, very convenient to put in bags or pockets.* Useful kit for handy torch, ...