I bought this after much research thinking the guts was the same as a samsung wifi key (which grossly overstates its key!). It's not like this. Roswell works for 1/5 the price.
DC/DC 12V To 24V Boost Converter 40A 960W - Waterproof Voltage Regulator Module For Car Power Supply (10V-16V Input)
15 Review
TV Tuner LUMAX DV-2120HD
15 Review
Dorhea LM2596 DC-DC Buck Converter Step-Down Regulator 4.0-40V To 1.25-37V DC 36V To 24V To 12V To 5V Volt Power Supply Module With LED Voltmeter Display Compatible With Car Motor Buck
16 Review
Germany France Travel Power Adapter,TESSAN Schuko Plug With 2 USB Ports 2 AC Outlets, US To European Europe German French Spain Iceland Norway Russia Korea Adaptor(Type E/F)
17 Review