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. Thanks to patented Reverse Polarity Program Switching? technology, the function of the light can be changed between flashing and steady on modes by simply flipping the battery over. Use it for camping, running, cycling, wakeboarding, boating, surfing, skiing, hunting, or harness it to your pets when walking them at night. The Guardian? Tag-IT?s durable and lightweight build ensures that it will be there when you need it, and stay unnoticed when you don?t. 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 +60C 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 Adventure Lights Guardian Tag-It LED Clip On Light Carabiner Waterproof Beacon 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. Thanks to patented Reverse Polarity Program Switching? technology, the function of the light can be changed between flashing and steady on modes by simply flipping the battery over.Use it for camping, running, cycling, wakeboarding, boating, surfing, skiing, hunting, or harness it to your pets when walking them at night. The Guardian? Tag-IT?s durable and lightweight build ensures that it will be there when you need it, and stay unnoticed when you don?t. Battery Source: 6V Lithium Coin Cell Battery Pack (included)Optional Battery: 2x Cr2032 3V Lithium Coin CellVisibility Range: 3 miles (5km)Waterproof Rating: 100 Meters (328 Feet)Operating Temperature: -20 to +60CEnvironmental Seal: O-RingDome Lens: High Impact PolycarbonateHousing Material: High-Tech PolymerTechnology: Patented Omnidirectional Optics, Reverse Polarity Program Switching Battery Duration: (may vary with temperature)Flashing ~240 HoursSteady-On ~100 Hours (description exceeds maximum possible length)