Product Description: Model: laser-303 Material: hard aluminum Surface treatment: anodized black Switch mode: light touch switch Battery: 18650 rechargeable battery (not included) USB Laser 301 single-point charging model (send data cable) Wavelength: 532nm Start time: 0.001 seconds Working voltage: DC3.7V with key protection Dimensions: 22mmX158mm product advantages: 1. Made of aviation aluminum alloy, strong and durable; 2. With a child safety lock, when not in use, you can turn the switch key to the red dot and pull it out to disconnect the power supply; 3. External focusing, easy to adjust the thickness of the light column and the size of the spot; 4. 18650 battery, large capacity, long battery life; 5. Front switch, press to power on, release to power off for easy use; Stability: Green light < red light = blue-violet light Green light is greatly affected by the climate, and it needs to be preheated when used in a colder environment Shipment Quantity: 1 piece Package Contents: Only the above package content, other products are not included. Size: 22mmX158mm (Reminder: The size is measured manually, please allow 1-2cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.) Products from 's store