24v Modified Sine Wave Mains Inverter provides portable mains power on the move. The unit plugs simply into your cigar socket in your car, boat or caravan, providing 240v mains electricity. Input voltage 24v, Low battery alarm and auto shut down, output 230v 50 Hz with standard UK 3 pin socket and built in on/off switch. Over temperature protection, Short circuit protection & overload protection. 140 watt model comes with Cigar plug; 270 watt comes with both Cigar plug & crocodile clips for battery connection.