• PVC sheathed copper coated aluminium cables give maximum power transfer yet remains flexible.• Resistant to oil, grease and most acids.• Insulated heavy-duty clamps reduce the heating effect of power transfer.• Features an LED display unit which shows the battery voltage and includes a reverse polarity indicator and alarm.• In-line surge protector helps to prevent electrical spikes occurring.• Additional features also include alternator charge check and battery condition check.• Cable Size: 25mm² x 3.5m.• Supplied in a storage case.PVC sheathed copper coated aluminium cables give maximum power transfer yet remain flexible. Resistant to oil, grease and most acids. Insulated heavy-duty clamps reduce the heating effect of power transfer. Features an LED display unit which shows the battery voltage and includes a reverse polarity indicator and alarm. In-line surge protector helps to prevent electrical spikes occurring. Additional features also include alternator charge check and battery