Super Bright 600 Lumens (Max Output) LED Producing An Intense Beam of Light up to 600 feet ZOOM Intelligent: High / Low / Strobe Modes Means You Will be Ready For Anything That Comes Your Way. Runs Off a Single AA Battery or a 3.7V Rechargeable Battery & gives hours of use. Lightweight and compact pen flashlight for a variety of applications, fits nicely in hand; Clip it to your pocket; reverse the clip, it's cap light. In box: 1 x GT-17 Flashlight, 1 x 3.7V Battery, 1 x Charger, 1 x User Manual. Warranty: Gracetop provides customers with 30 days money back guarantee and 1 years warranty service