Siemens starter 3RM1107 - 3AA04, sold at a low price in real pictures, look

Schneider input module 140DDI35300, the quality of the actual shot is as shown, second-hand

Digi Edgeport 1 RS232USB to serial port

CAT pl542 with wifi Bluetooth Carter gps locator watch

Anjie-IV Pigeon Clock mainframe, the boot is normal, the quality of the physical shots is as shown in the picture, and second-hand items are cheap

Silozhi Formaldehyde Detector MEF-500, the physical quality is as shown in the picture, and it is in normal use

Shanghai Ruiye Ship Engine Room Monitoring and Alarm Device

GE PQM-C power controller, the quality of physical photos is as shown, and second-hand items are convenient.

KEYENS Fiber Amplifier FS-N13N

GEM-SOL Israel solenoid valve GEM-B-33 coil 24V DC