Products list direct from CN

Shenzhen Qinda Electronics Co., Ltd.

1CH 500 Celsius PT100 Thermocouple RTD Sensor RS485 Temperature Sensor Module Modbus RTU Board Paperless Recorder

$1.74-4.60

Min. order 10 pieces

16CH DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board R421B16 for PLC PTZ Camera Motor

$16.52-17.90

Min. order 2 pieces

DC 12V 4 Channel Multifunction Cycle Delay Timer Relay Module Timing Loop Interlock Self-locking Momentary Bistable Monostable

$3.01-11.30

Min. order 5 pieces

TB351 DC 12V 2 Channel DB9 Female/Male RS232 UART Remote Control Switch Board Serial Port Relay Module

$4.20-4.30

Min. order 10 pieces