... lifetime is short, and it is easy to become dark , it can be used for 2000~3000 hours , ... real and true laser power ! The lifetime is up to 6000-10000 hours , and the output supply is ... Micro-Step motor, it can make the difference patterns, and the speed can be changable, it can up to 70~80 Angles , ... , which will be safer to human and environment.Power Supply: AC100-240V DC12V (can be used in the car ...