Petzl Aria 1 Headlamp Black/Yellow. Specifications for Petzl Aria 1 Headlamp: Manufacturer: Petzl Light Output: 350 lumens Battery Type: Alkaline Weight: 105 g Water Resistance Level: IP67 Features of Petzl Aria 1 Headlamp Headlamp designed for occasional professional use: - Durable construction: the lamp is impact resistant (IK07) and fall resistant (up to 2 meters)- Dustproof and waterproof (IP67)- Wide uniform beam providing comfortable lighting for close-range work- Three white lighting levels: MAX BURN TIME STANDARD (better power/burn time balance) and MAX POWER Easy to use: - Single button for quick and easy lighting level selection- Plate allows you to easily orient the lamp in desired direction- Battery charge indicator shows the battery level each time lamp is turned on or off- LOCK function prevents the lamp from turning on during transit or storage Practical: - Adjustable headband is symmetrical to more easily adjust the fit as well as removable and washable - The plate is compatible with accessories that allow you to install the headlamp on a helmet (HELMET ADAPT adhesive plate for a variety helmet types or SLOT ADAPT for helmets that have a compatible slot)- ARIA 1 comes with three AAA/LR03 batteries and is also compatible with the CORE rechargeable battery (not included) with its HYBRID CONCEPT design- The lamp detects the energy source and optimizes lighting performance: with a rechargeable CORE battery the lamp provides more brightness when it is turned on (450 lm in MAX POWER mode) and throughout the duration of use Package Contents: Petzl Aria 1 Headlamp Petzl E069AB00: Aria 1 Headlamp Black/Yellow