Outstanding quality: The dc green laser module is made of high-quality aluminum alloy material, which is and has a long service life. Excellent fitting: The arc of the center is designed to be fixed , which can be easily installed and disassembled. it is suitable for 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: φ45mmx27mmx22mm Package Contents: 2 x 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.