1.it is the waterproof connector 2.Accoring to the standard DZ4Q/RE008-84 3.Shell size:FQ14,FQ18,FQ24,FQ30 4.Contact:each shell size have diffrent pins Working temperature: -55 degrees Centigrade- +100 degrees Centigrade Relative temperature: Temperature is 40 degrees Centigrade, reach 93í+ 3% Vibration: Frequency 10-200HZ, acceleration 150m/s2 Collide : Acceleration 490m/s2 Permanent acceleration vibration: The acceleration reaches 245mm/s2 Atmospheric pressure: Reach 4.4KPa Mechanical life-span: 500 times The connector should be able to stand the test of 30 minutes but not enter water within the connector in water 1 meter deep