XtremepowerUS 6Pcs Rechargeable Emergency Led Road Flare W/Charger & Case Highly Visible - 16 Super Bright LEDs That Can Be Seen From 1/2 Mile Away Powered By Rechargeable Lithium Ion Batteries, Flameless, Waterproof , Temperature Range : -32F TO 240F (-36C - 116C) 9 Flashing Patterns Including SOS Rescue, Magnetic Base So It Can Be Attached To Automobiles, Boats, Etc Built In Rechargeable Lithium Ion 700 mAh ~ 3.7V, 120V AC/DC Charger: (UL Listed) Safe Led Lights Prevent Fires Over Standard Road Flares That Can Ignite Upon Impact