Duo headlamps are ultra powerful and come with many options. - Waterproof, Rechargeable, Face2Face Technology, Reactive Technology, Anti Glare. Water proof down to -5 m and sturdily constructed, the DUO LED 5 headlamp is perfect for water sports. Its hybrid light source can be directed to adapt the lighting to the needs: halogen lighting for focused, regulated, long-range lighting; LED lighting for long-duration proximity lighting. Rugged headlamp: - durable construction - waterproof down to -5 meters Two light sources to choose from depending on the activity: - halogen light for long-range, focused lighting with regulated zoom - five LEDs for flood beam lighting with a long burn time. Comfortable and easy to use: - adjustable and comfortable elastic headband - on/off switch can be locked to prevent accidental operation - light body can be tilted Space for spare halogen bulb in the light body of the headlamp Color: gray/yellow, black band with gray pattern Spare halogen bulb included Operates on four AA / LR6 batteries (included) or with the ACCU DUO E65100 2 (optional). Degree of protection: IP X8 (waterproof down to -5 meters) 3-year guarantee CE