4-in-1 Laser Pointer Pen + Ball Pen + LED Touch Stylus Pen + LED Flashlight Light Lamp With Aluminum Case Box
Wavelength: 650nmMax output: 5mWPressure button for LED Light & Laser BeamVisibility: Over 1 mile (AVOID DIRECT EYE EXPOSURE) - Output Mode: Constant WavePower: 3 x LR41 Button Cell battery (included)3 extra free LR41 Button Cell battery (included)Aluminum case (included)Dimensions: 5.91in x 0.39 in x 0.39 in (15 cm x 1.0 cm x 1.0 cm)Weight:77.0 g