•Waterproof •Rotatable head for vision needs •Durable, impact-resistant construction •Screw fastener for safety precautions •Adjustable strap to fit users' hard hat •High power LED – high mode (200 lumens) and low mode (100 lumens) functions •Hex wrench is included for battery replacement General Specifications: Bulb Type: LED (high output) Beam Type: Spot Light Output: High Mode: 200 lumens / Low Mode: 100 lumens Beam Distance: High: 100 meters / Low: 75 meters Max Beam Distance: 108 meters Average Run Time: High Mode: 2.5 hours / Low Mode: 4.5 hours Batteries: 3 AAA - not included Weight: 170g (6.07 oz) with batteries Dimensions: 80 x 50 x 45 mm Material: Main body: TPE Strap: Nylon