- Simple mechanism is easy to use - Turns off when not pressed - Batteries included WARNING: Avoid direct eye exposure. Keep out of reach of children. Never point a laser beam at anyone. Do not stare into the laser beam directly. Avoid dropping the laser light on hard surfaces. Guard against exposure to water, dust, heat and sunlight. Remove batteries if the product is unused for an extended period. Don’t disassemble the product for it contains no user replaceable parts. A laser beam reected of a mirror-like surface can be hazardous to the eyes.