465nm 3000mW 3W Blue Dot Laser Pointer Flashlight Waterproof for Presentation and Astronomical Observation

Parameters: Laser Shape: DotWavelength: 465nmWorking Voltage:DC 3.7V /4.9AStart voltage:2.5VFocusable:YesWaterproof:YesBeam pattern:Continuous line ShapeSize:φ33x135mmElectric Control:ACCCaseMaterial:Aviation aluminumBattery: 1x 18650 (not included for easy custom clearance) Use: 1. A popular choice for astronomers, who use it to point out celestial objects in the night sky. 2. It emits a beam that is strong enough to be seen from a great distance. This makes it useful for signaling or as a tool for rescue workers and hikers in emergency situations.3. It is also useful for indoor activities such as presentations and scientific experiments. Its bright beam can be used to point out specific parts of a presentation or to highlight important details in an experiment. The laser flashlight can also be used in laboratory settings, where its precision and power make it useful for cutting, drilling, and other precision tasks. Note: Do not shoot directly into the eyes of people and animals; take out the battery when not in use; keep the product away from children!