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logoele Flagship store, a factory store, selling Security & Protection items. There are 91 best seller items showing below, buy directly from them.

New Arrivals

Temperature Humidity Sensor Agricultural Greenhouse Digital Output Temp Detector Module High Rs485 Modbus
US $ 15.84
US $ 16.50
-4%
(5.0)
EC TDS Sensor Module Kit Digital Water Quality Electrical Conductivity Transmitter Waterproof RS485 4-20ma 0-10V
US $ 60.28
US $ 66.98
-10%
(5.0)
HOT
DC 24V Relay Shield Current Detection Sensor 20A 30A 50A 100A 200A 300A Over-Current Relay Protecting Shunt Module
US $ 16.34
US $ 17.38
-6%
(5.0)
MQ139 MQ138 MQ137 MQ136 MQ135 Sensor H2S Gas Module Ammonia Detection Freon R134A MQ-139 MQ-138 MQ-137 MQ-136 MQ-135
US $ 11.18
(5.0)
AC Current Sensor Module 5A 10A 20A 50A Analog Switch Output Full Range Of Linear Detector
US $ 17.86
US $ 19.00
-6%
(5.0)
LOGOELE 10-channel AC Current Transmitter 485 Output Sensor Full-range Real-time Acquisition Detection Module
US $ 45.00
US $ 50.00
-10%
(5.0)
USB Laser Dust Sensor Module 3.3V TTL Level Serial Output PM1.0 PM2.5 PM10 Free Shipping High Quality
US $ 35.06
US $ 42.76
-18%
(5.0)
Turbidity sensor High quality Suspended Turbidity Value Detection Module Kit Liquid Suspended Particles For arduino
US $ 11.70
US $ 13.00
-10%
(5.0)
Relay Module 3V 5V 12V 24V 8 Channel 1 4 Way Low Level Relay Board High Level Control Module Current Protection
US $ 1.80
(5.0)
MQ-139 MQ131 Freon SO2 Gas Detection Module MQ139 MQ138 Alcohol Sensor
US $ 33.58
US $ 38.60
-13%
(5.0)
4IN1 3IN1 Transmitter CO2 Illumination Dust Temperature Humidity Sensor RS485 Carbon Dioxide Detector Module Protocol
US $ 63.60
(5.0)
Custom TDS RS485 0-2000ppm
US $ 52.18
(5.0)
Relay Module 2 4 8 Channel DC 3V 5V 12V 24V High Low Level Interoperability With Optocoupler Isolation Control
US $ 1.47
US $ 1.50
-2%
(5.0)
3V 5V 12V 24V Relay Module High Low Level Trigger 2 Channel Way Devices Relay Expansion Board
US $ 1.57
US $ 1.60
-2%
(5.0)
Current Transformer Rs485 AC Sensor Module Digital Analog Led Display 0-100Ma 5A 10A 20A
US $ 30.80
(5.0)
6pcs/Lot PH Buffer Powder 4.01 6.86 9.18 Calibration Point Solution Measure For PH Test Meter
US $ 1.87
US $ 2.50
-25%
(5.0)
4 8 16 Channel Relay Module DC 12V 24V Eight Way Driver Board Module Signal NPN PNP
US $ 20.10
(5.0)
HOT
AC Current Sensor Module Switch output Full Range of Linear Output Delay, Relay Output. Free shipping
US $ 26.45
US $ 26.72
-1%
(5.0)
Distance Measuring Ultrasonic Sensor Waste Recycle Smart Bin Level Transducer Trash Can Detection Rs485 UART Serial Output PWM
US $ 24.65
(5.0)

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KOB7 inch dynamic facial recognition access control system all-in-one machine 8-inch high-definition touch screen magnetic lock
US $ 52.10
US $ 54.84
-5%
(5.0)
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5 inch Touch Screen Server WIFI Tuya Face Recognition Fingerprint Access Control With RFID Reader Face Time Attendance Machine
US $ 56.28
US $ 95.39
-41%
(5.0)
Car Exhaust Plugging Detection Tester Catalytic Plugging Professional Catalytic Clogging Detection Gauge for Back
US $ 7.28
US $ 14.56
-50%
(5.0)
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Natural Gas Leak High Sensitivity 12V Non-Polarized Power Terminals Home Alarm Safety Gas Leak Alarm Natural
US $ 8.37
US $ 14.68
-43%
(5.0)
Tuya WiFi/ZigBee Temperature and Humidity Smart Home Thermometer Hygrometer APP Remote Alarm Work with Alexa Google Home
US $ 7.21
US $ 22.54
-68%
(5.0)
ABS Combustible Detectors For Confined Space Detection Durable Plastic Combustion Leak Detectors SW-733GS
US $ 69.75
US $ 124.55
-44%
(5.0)
AC220V /AC230V Sliding Gate Openers Circuit Board Universal Sensitive Sliding Gate Motor Main Electronic Control Board
US $ 37.16
US $ 84.46
-56%
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6-in-1 Air Quality Tester Real-Time Air Quality Meter Portable Temperature Humidity Detector for Home Cars Plants
US $ 18.76
US $ 37.52
-50%
(5.0)