Specification: Prduct name: 5 Patterns Pen Shape 5mW 532nm Laser Pointer Function For Astronomers Light color: green light Wave Length Range: 532nm Material Copper Power Supply 2 X AAA batteries (included) Operation Voltage(V) 3..0v Working Temperature (degree): 0 C - 40 C Weight: 165g Size: 16.5 x 1.7 x 1.5cm(length x head x body diameter) Features: 5 patterns for different use Can be pointed at any target, such as photos, blackboards, video monitors. Simply push the button to see the striking green beam of light shoot forth. Suitable for aiming, positioning Convenient and practical to use Superb for professionals and amateurs Package included: 1 x Pen Shape 5mW 532nm Laser Pointer 5 x Patterns 2 x aaa batteries
Any ideas or questions? Discuss, ask, and answer here publicly. The Q&A will benefit all visitors, and in return every one can help, not only LasersPen.com agents. If you want to keep your questions private, use the live chat or email.