The difference among the three models is the location of the compressor

Light Flow: 186 lm

CE marked (LVD) directive 2006/95/EC

2) 30A 125V Locking Female L5-30R to  30A 125 Locking Male

Durable and resistant to corrosion

Voltage Converter, 8-40VDC- 5VDC, 2.5A Strap Roller The difference among the threeConvenient way to add 5V USB charging to your boat or vehicle, especially those with 24V or 32V systems. It is particular useful in converting the popular VimarUSB media ports to fully charging USB ports. To do this, simply connect unit#39; sinput wires to ship vehicle DC power. Then connect theoutput wires to the #4 amp; #1 terminals of the Vimar USB port. Lastly, add a jumper wire to the USB #3 amp; #2 terminals. You are then able to quickly charge