Carabiner* Base securely attaches to a variety of surfaces. Switch between Flashing and Steady-On by flipping the battery Visible from all directions (omnidirectional) Extremely durable, temperature resistant and waterproof The carabiner* base on the Guardian™ Tag-IT safety light allows it to be easily and conveniently attached to a variety of surfaces. Waterproof, impact-resistant and omnidirectional, this light can be relied upon to maintain visibility during outdoor adventures in almost any situation. Battery Source: 6V Lithium Coin Cell Battery Pack (included) Optional Battery: 2x Cr2032 3V Lithium Coin Cell Visibility Range: 3 miles (5km) Waterproof Rating: 100 Meters (328 Feet) Operating Temperature: -20 to +60°C Environmental Seal: O-Ring Dome Lens: High Impact Polycarbonate Housing Material: High-Tech Polymer Technology: Patented Omnidirectional Optics, Reverse Polarity Program Switching® Battery Duration: (may vary with temperature) Flashing ~240 Hours Steady-On ~100 Hours