Aputure LS 600 Series 5-Pin Weatherproof Head Cable for 600x Pro, 600d Pro Condition: 8/10 Compatibility: 600d Pro, 600x Pro Withstands Inclement Weather Extends Connection Range Long Distance Cable The LS 600 Series 5-Pin Weatherproof Head Cable from Aputure breaks the limitation of distance and extends the connection range between the control box and the light head. It has a weatherproof design to withstand challenging inclement weather environments.