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DC 5V ESP8266 WIFI 4 Channel Relay Module Remote Control Switch IOT Wireless Transmitter For Smart Home DC 5V ESP8266 WIFI 4 Channel Relay Module Remote Control Switch IOT Wireless Transmitter For Smart Home 1.Description:     It is 4 channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with professional switching power supply circuit.    It could control the relay by Android phone APP wi... $9.61
$12.99
SKU: 13404
$9.61
$12.99

26

WiFi Self-Locking/Inching Relay Delay Switch Module Low Power Smart Home Remote Control Compatible with iOS Andriod 2G/3G/4G Network WiFi Self-Locking/Inching Relay Delay Switch Module Low Power Smart Home Remote Control Compatible with iOS Andriod 2G/3G/4G Network Product Introduction: 1.Size: 5.2*2.8*2cm 2.Operating Voltage: DC 12V 3.Operating Current: 250mA 4.Quiescent Current: 90mA 5.Output Port:NO NC,mechanical switch output port 6.Port Withstand Voltage:AC 0-250V/7A;DC... $8.87
$11.99
SKU: 10958
$8.87
$11.99

26

ESP8266 WiFi 5V 2 Channel Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100m ESP8266 WiFi 5V 2 Channel Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100m Description: The 5V dual WiFi relay module uses ESP-01 as the WiFi module and is compatible with 8 bit MCU chips. Only a simple configuration process can realize the wireless control of the 2 way relay by using the mobile phone APP in ... $7.39
$9.99
SKU: 12592
$7.39
$9.99

26

Thermostat Digital Temperature Controller LCD Display NTC 10K B3950 Sensor Relay Module Thermostat Digital Temperature Controller LCD Display NTC 10K B3950 Sensor Relay Module Description: It is a digital temperature controller module.LCD display, very clear, easy to use, powerful.It can be widely used at Smart home,Industrial control, Automatic irrigation, Indoor ventilation,  protection equipment. ... $6.99
$9.99
SKU: 13338
$6.99
$9.99

30

AC 220V ESP8266 WiFi Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100M AC 220V ESP8266 WiFi Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100M Description: AC 220V one channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with Professional switching power supply circuit.It could control the relay by Android phone APP within the local area network (LAN)... $10.35
$13.99
SKU: 13345
$10.35
$13.99

26

SHT20 Humidity Temperature Controller DC 12V 0-100%RH -20-60 Celsius Digital LCD Display 2-Channel Relay Module SHT20 Humidity Temperature Controller DC 12V 0-100%RH -20-60 Celsius Digital LCD Display 2-Channel Relay Module Description: XY-TR01 Temperature and humidity control module high precision digital display word double output automatic constant temperature and humidity control panel. Product adopts industrial-grade chip, high-precision SHT20 temp... $11.89
$16.99
SKU: 13319
$11.89
$16.99

30

DC 12V-24V Voltage Detection Charging Discharge Monitor Relay Switch Battery Charging Control Battery Protection Board DC 12V-24V Voltage Detection Charging Discharge Monitor Relay Switch Battery Charging Control Battery Protection Board Product Introduction: 1.Model:XH-M603 2.Input Voltage:DC 10-30V 3.Display Precision:0.1V 4.Control Precision:0.1V 5.Output Type:direct output 6.Voltage Tolerance:+/-0.1V 7.Application Fields:12-24V storage battery 8.Size;... $5.31
$7.59
SKU: 11313
$5.31
$7.59

31

Wifi Relay Switch Module High Power Self-Lock Mode AC 220V 6.8x3.3x2.6cm for Remote Control Wifi Relay Switch Module High Power Self-Lock Mode AC 220V 6.8x3.3x2.6cm for Remote Control Product Introduction: 1.Size:6.8*3.3*2.6cm 2.Operating Voltage:AC 110-250V 3.Output Port:NO NC;mechannical switch output port 4.Port Withstand Voltage:AC 0-250V/25A;DC 0-30V/25A 5.Control Way:wifi network control,supp... $11.83
$15.99
SKU: 10963
$11.83
$15.99

27

Micro USB Digital LCD Display Time Delay Relay Module 6-30V Control Timer Switch Trigger Cycle Module Micro USB Digital LCD Display Time Delay Relay Module 6-30V Control Timer Switch Trigger Cycle Module Description: It is a multifunction delay relay module.LCD display, very clear, easy to use, powerful. It can be widely used at Smart home, Industrial control, Automatic irrigation, Indoor ventilation, Protection equipment.   ... $5.81
$7.75
SKU: 13286
$5.81
$7.75

25

DC 7V-30V 2-Channel Delay Module Switch Controller Motor Forward Reverse Relay Module DC 7V-30V 2-Channel Delay Module Switch Controller Motor Forward Reverse Relay Module 1.Introduction: It is a DC 7-30V double two-way delay control switch solenoid valve high-power motor forward and reverse relay module. 2.Feature: 1>.Wide voltage range. 2>.High-power. 3>.Power-off memory. 4>.Ti... $14.05
$18.99
SKU: GY21284-1
$14.05
$18.99

26

WIFI High Temperature Controller APP Remote Control K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller WIFI High Temperature Controller APP Remote Control K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller 1.Description: XY-WT04-W is a wireless WIFI K-type digital high temperature controller module with APP Sinilink control. It can be widely used at smart home,Industrial control, Automatic irrigation, Indoor ventilation. Protection equip... $13.29
$18.99
SKU: GY21223-1
$13.29
$18.99

30

High Temperature Controller K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller High Temperature Controller K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller 1.Description: XY-WT04 is a K-type digital high temperature controller module. It can be widely used at smart home, Industrial control, Automatic irrigation, Indoor ventilation. XY-WT04 high temperature control module has high pre... $8.75
$12.50
SKU: GY21222-1
$8.75
$12.50

30

DC 12V 24V RES485 Modbus RTU Relay Controller,16CH-IN-NPN 16CH-OUT Programmable Switch Optocoupler Isolator for PLC DC 12V 24V RES485 Modbus RTU Relay Controller,16CH-IN-NPN 16CH-OUT Programmable Switch Optocoupler Isolator for PLC 1.Description:  The Optocoupler Isolator for PLC is an expansion board used to increase the number of control objects to meet the control requirements of the system. In MODBUS mode, a maximum of 64 devices can be connected in para... $21.99 SKU: GY21188-1
$21.99

DC 0-99.9V Voltage Monitor Module Programmable Delay Relay Switch Controller Battery Protector DC 0-99.9V Voltage Monitor Module Programmable Delay Relay Switch Controller Battery Protector 1.Description: A30-U1 is a DC 99.9V Voltage Monitor Module with Delay. It can flexibly set detection upper and lower limit voltage values and set triggering conditions.It can realize functions such as voltage detection, overvoltage and... $14.99 SKU: GY21111-1
$14.99

24V 4 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 24V 4 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 1.Description:   It is a 24V 4 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification. 2.Parameter:   1>.Power supply: 24V   2>.Static current: 0mA   3>.Single c... $7.99 SKU: GY21084-1
$7.99

24V 2 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 24V 2 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 1.Description:   It is a 24V 2 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification. 2.Parameter:   1>.Power supply: 24V   2>.Static current: 0mA   3>.Single c... $3.74
$4.99
SKU: GY21083-1
$3.74
$4.99

25

12V 1 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 12V 1 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 1.Description:   It is a 12V 1 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification. 2.Parameter:   1>.Power supply: 12V   2>.Static current: 0mA   3>.Single c... $3.59 SKU: GY21082-1
$3.59

5V Delay Relay Module with Edge-Triggered Control and Loop Cycle for Seamless Switching 5V Delay Relay Module with Edge-Triggered Control and Loop Cycle for Seamless Switching 1.Description:    It is a 5V Delay Relay Module with Edge-Triggered Control and Loop Cycle for Seamless Switching 2.Parameter:   1>.Power supply: DC 5V   2>.Input signal: High-level (PNP), Low-level (... $10.99 SKU: GY21080-1
$10.99

DC 12V 5-Channel Self-locking Relay Module 5Bit 10A High/Low Level Trigger Select Switch Controller DC 12V 5-Channel Self-locking Relay Module 5Bit 10A High/Low Level Trigger Select Switch Controller 1.Description:   It is a latching relay module.It has 5 relay channels and can connect 5 loads. 2.Feature:   1).The self-locking relay module has a power indicator and a working indicator,and the working status of the ... $11.99 SKU: GY20640
$11.99

DC 7-28V Modbus RTU Network Relay Module W5500 Ethernet LAN Controller DC 7-28V Modbus RTU Network Relay Module W5500 Ethernet LAN Controller 1.Description:     Modbus RTU Network Relay Module W5500 Ethernet LAN Controller equipped with mature and stable 32-bit MCU and W5500 all-hardware TCP/IP protocol stack network chip. Reserved MCU debugging interface to s... $29.99 SKU: GY20821-1
$29.99


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