- Stainless steel casing- 650nm wavelength (red laser)- 5mW red laser module- Also features a bright white LED flashlight-?Independent on/off switches for flashlight and laser- Powered by?3 x?LR41 batteries (included)  <br />- Stainless steel casing- 650nm wavelength (red laser)- 5mW red laser module- Also features a bright white LED flashlight-?Independent on/off switches for flashlight and laser- Powered by?3 x?LR41 batteries (included)                                                                                                                                Dimensions: 2.28 in x 0.39 in x 0.39 in<br />Weight: 0.67 oz