... Green Beam for your buck!!!!This is a must-have tool for Photographers/Artists, Astronomers, Teachers, Students, Bird Watchers, ... (Forensics Investigations), Campers, Hikers, (Dogs and Cats LOVE chasing the laser dot) , etc.In other words, FOR YOU !!! Features: 1. ... waterproof, moisture, shock and not in the dusty, the laser’s normal working environment temperature is 10-40 centigrade, beyond ...