Briday USB Rechargeable Lanterns CREE XM-L2 LED Flashlight with Power Indicator 5 modes: Low-Mid-Hi-Strobe-sos use 18650 Li-ion battery,environment friendly non- slip, super bright, bicycle light and torch lamp, waterproof IPX 6 Radiator fins integrated into the head design provide better cooling for exceptional overall performance. Widely used on torch, flashlight, as emergency lighting and other portable devices.