SD16 2 Pin Male-Female Waterproof Power Connector Pair npn It's a 7 Pin Relimate

It's a 7 Pin Relimate Female to Female Connector - 2

45 VDD Maximum Clock Frequency 5

which are Orange

1MM is a 3-pin female DC power connector jack socket

It can be used as a Single channel wireless switch

SD16 2 Pin Male-Female Waterproof Power Connector Pair npn It's a 7 Pin RelimateIt's a SD16 2 Pin Male Female Waterproof Power Connector Pair. Protected against solids & liquids, provide a secure and reliable waterproof connection in the harsh environment. For indoor and outdoor use. These connectors are widely used in communication electronics, instrumentation, underwater work, high temperature work, aviation field, ship field, construction field, engineering field and other outdoor places. Plastic waterproof IP68, tight