This is a UST - Ultimate Survival Technologies Adapter known as the Volt XL 12V Dual USB Adaptor, model 20-3500-01.
Conveniently charge USB-powered devices via your car's 12-volt outlet with the UST Volt XL USB Charger" which features two charging ports - enabling you to recharge two devices simultaneously. It works with any USB device" including mobile phones" tablets" Kindles" e-readers" speakers" and more. Compatible with 12-volt car outlets ("cigarette lighter outlet")" it has one USB outlet with 5 volts" 1 amp and a second USB outlet with 5 volts" 2.1 amps. It features a red LED charge indicator" spring-loaded tip for secure connection" and durable ABS plastic construction.
Features:
Charge USB-powered electronic devices from your car's 12-volt outlet while on the go
Dual USB ports enables you to recharge two devices simultaneously (one 5-volt, 1 amp
one 5-volt, 2.1 amps)
Red LED charge indicator, spring-loaded tip for secure connection, and durable ABS plastic construction
Charges mobile phones, tablets, Kindles, e-readers, speakers, and more
INPUT: 12-24 VDC