Are you looking for a reliable 650nm Cross Laser Diode for use in your next DIY project? Look no further, as you've come to the right place! This high-quality 650nm cross laser pointer operates at 5mW and has a cross-shaped laser. It will certainly fit the bill! Details Output Power: 5mW Wavelength: 650nm (Red) Working Voltage: 3~5V Working Temperature: 50~104 °F (10~40 °C) Laser Shape: Cross Dimensions: 0.5" x 0.5" x 1.37" (12mm x 12mm x 35mm)