Perma proto electronics enclosure plus deutsch 8 pin dt connector hole.

print box and glue in the connector.
Connector can be found here.

http://www.wirecare.com/product.asp?pn=WC83376908

protoboard is adafruit 1.2 permaproto item 571
http://www.adafruit.com/product/571

This box can be potted to make your own waterproof electronics thingamajig.