Outstanding quality: The dc green laser module is made of high-quality aluminum alloy material, which is durable and has a long service life. Excellent fitting: The arc of the center is designed to be fixed on the wall, which can be easily installed and disassembled. it is suitable for various environments such as living room, bedroom, kitchen, office, etc. Application:stage laser light, laser bar light, game secret room Model:QS-4527G-green light Laser working life:more than 6000 hours Laser working mode:point light spot Laser wavelength:532nm Laser power (constant power):less than equal 30mw Working voltage:DC 3V-5V Working current:less than 350mA Working temperature:+10-35 Storage temperature:-36-65 Light spot mode (light spot size):light spot at 5m Less than 15mm Colour:Black Material:aluminum Size:45mmx27mmx22mm Package Contents: 1 * Laser Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.