Sealey PROJ/12 Booster Cables with a clever traffic-light LED system The Sealey PROJ/12 Booster Cables features surge and spike protection fitted in-line with heavy-duty booster cables. The PROJ/12 Booster Cables are 5 metres in length with a cable section of 20mm_. The clever traffic-light LEDs show when protection is in place and it is safe to proceed jump-starting Features: Surge and spike protection fitted in-line with heavy-duty booster cables Clever traffic-light LEDs show when protection is in place and it is safe to proceed jump-starting Specification: Length: 5m Model No: PROJ/12 Cable Section: 20mm_ Voltage/Capacity: 12V/400A