OUTAD LED Portable Emergency Flashlight Camping Lantern USB Rechargeable, 4 Dimming Levels + Flash Mode (V6M, White, 1200mAh battery, 100lm, with Magnet) 4 dimming levels plus flash mode: 400 hours for use at the lowest level and 5 hours at the brightest(100lm) mode with the built-in 1200mAh Li-on battery. USB cable included: Fully recharged in 3 hours with 5V/1A power output. Length: 4.2 inches(10.7cm). Diameter: 1.3 inches(3.3cm). Weight: 3 ounces(86g). Housed in aerospace aluminum material, which is durable and remains cool to the touch. Built-in magnet on the opposite end of the switch button enables light to be positioned on metal objects and surfaces.