applies to camping, walking, fishing, hunting, biking at night, and so on, boosting a range of 100-200 m and Built-in Battery: 400 mA USB Rechargeable The OLED display can show the output, voltage, and modes. The ease of use that this brings for outdoor activities will change your world. It allows you to plan effectively and lowers the risk of ever running out of light in the dark. High output with compact size; with a ridiculous output of up to 32000lumens, there's nothing this flashlight won't illuminate. Six output levels + Strobe (Turbo mode: 32000lumens, General mode: 13000lm, 5000lm, 1500lm, 500lm, and 120lm); no matter the terrain, no matter the environment, your DX80 will respond to just about anything you'd like it to. The in-built OLED display, shows lumens output, voltage, charging status, and overheating warnings. The in-built OLED display will make sure you never miss a beat. It's status warnings, mode outputs, and other functionalities will make sure that you're always in total control.