16 Channel Android Phone Bluetooth-Compatible Control Relay Module 2.4G Wireless Controller for Smart Home LED Lighting system

AC220V AC/DC7-32V/DC5V Single Channel WiFi 2.4G Bluetooth-compatible Relay Module Type-C Self-Locking Intelligent Relay Board

CE004 16 Channel DTMF MT8870 Audio Decoder Phone Voice Controller for Smart Home Automation Relay Module

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Control Relay AC100V-250V 30A High Power 2-Channel Relay DC5V High Low Level Switch Relay Module with Isolation Relay Board

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Control Relay AC100V-250V 30A High Power 2-Channel Relay DC5V High Low Level Switch Relay Module with Isolation Relay Board

DC12V 16 Channel Din35 C45 DIN Rail RS485 Relay Modbus RTU Protocol Remote Control PLC Expansion Board for PTZ Camera Motor Led

8-Channel Multifunction Time Delay Relay Module 8-36V with Optocoupler & LED Latching for Smart Automation

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8‑Channel Relay Controller RJ45 TCP/IP Remote Controller Module 8‑Channel Relay Switch 250V/AC 10A TCP/IP Remote Controller

8-Channel Time Delay Relay Module 8-36V with Optocoupler & LED - Multifunctional Relay Board

AD22B04 4 Channel DTMF Audio Signal Decoding Relay Non-Locking/Self-Locking/Interlocking/Time Delay for LED Motor Smart Home

4 Channel 30A High Power Relay Module High and Low Level Trigger Control Relay Board with Isolation DC5V AC110-250V Power Supply

2PCS IO22D04 DC 12V 8 Channel Pro mini PLC Board Relay Shield Module for Arduino Multifunction Delay Timer Switch Board

4-Channel Relay Module with Optocoupler Isolation, 30A Capacity, AC 100-250V - Industrial PCB Easy to Install

TB351+TB052+YC065 9V 12V 4 Channel Serial port Relay Remote Controller

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16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

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