M9 Small PVC 4 Pin IP65 Mini Male and Female Waterproof Cable Connecto - M4M
M16 4 Pin Ip68 Male Female Led Lighting Wire Connector - Buy Ip68 Waterproof Connector,M16 Waterproof Connector,4 Pin Waterproof Connector Product on Alibaba.com
Amazon.com: Eonvic SP21 Aviation Connector 4Pin Panel Mount Aviation Plug Socket Waterproof IP68 Connectors with Cap Panel Mount for Industrial Device Power Signal (1PCS-SP21 4pin) : Electronics
Cheap 4 Pin Waterproof Male Female Connector Cable
2 pin 3 pin 4 pin Waterproof connector with wire cable IP68 female& male 5pairs | eBay