Sealey BC16403SR Booster Cables 16mm² x 3m CCA 400A with Electronics Protection 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 condition check. Supplied in a storage case. BC16403SR Features 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 Supplied in a storage case BC16403SR Specification Model No BC16403SR Brand: Sealey Cable Section: 16mm² Capacity: 400A Length: 3m Nett Weight: 1.52kg What is included: 1 x Sealey BC16403SR Booster Cables 16mm² x 3m CCA 400A with Electronics Protection