Greatland Laser Magnum Signal Laser

The Magnum Signal Laser is non-flammable and environmentally safe, eliminating the fire hazards and expiration dates associated with chemical flares. It provides a reusable, consistent light source that doesn't require disposal of hazardous materials.

Yes, it is designed for both day and night use. While its maximum visibility reaches 20 miles at night, you can expect a reliable signaling range of 1 to 3 miles during the day.

While the unit is waterproof and rated for depths up to 80 feet, it is designed as a surface-to-air or surface-to-surface signaling device. It is intended for use above the water line to alert rescue parties, not for underwater illumination.

The device is highly efficient, offering up to 72 hours of operational life on just two standard AA batteries. This makes it a reliable choice for extended survival situations where battery replacements might be scarce.

It is a Class 3R laser, which is generally safe for use when handled responsibly. You should avoid direct eye exposure, but it does not require specialized training to operate effectively in a rescue scenario.