... alloy.Color:red,blue,golden,silver. emergency travel charger AD-ETCImportant: Read Before Using ProductHow to Use:Unscrew bottom and load one AA ... charger at the first indication of a low battery.For emergency purposes, charger can provide a quick charge in just a ... minSafe protection: short circuit protection, battery reverse connection protectionDimension: 72xD21mm emergency travel charger AD-ETC