1. Input voltage: 4.5-5V 2. Color: blue + purple light 3. Power: 1000mw 4. Laser wavelength: 405nm 5. Laser operating temperature: 500 Degrees Celsius 6. Product features: high power, fast speed, high precision 7. Can be carved items included: Hard wood, plastic, bamboo, rubber, leather, cut paper and so on. 8. Can not engrave metal / aluminum / acrylic and any retardant material 9. Length: 45mm 10. Diameter: 12mm 11. Weight: 17g