Rechargeable Flashlight - USB Rechargeable Safety LED Mini Light Increased safety and visibility for dog walking when the light is low. Attach to your dogs collar or the zipper pull on your jacket for safety and visibility Rechargeable in any USB port (or with outlet adapter  not included) no need for batteries Lithium Ion battery lasts up to 2 hours on constant beam, and longer in flashing mode Sturdy, lightweight and compact. Water resistant to 6