Streamlight 22600 EPU-5200 Portable USB Power Pack with Built-In Flashlight Nylon polymer/metal Made in US Perfect for extended operations/scene management IPX7 waterproof to 1 meter for 30 minutes; 2 meter impact resistance tested Limited Lifetime Warranty Durable lithium ion battery rechargeable up to 500 times High-impact, super-tough, nylong polymer construction Multi-function push button switch Built in flashlight provides back up light Tethered cover. Removable pocket clip and 5-inch USB 2.0 A(male to micro-USB cable included