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"wireless remote light switch control"
10PCS ST188 Reflection Infrared Photoelectric Sensor Photoelectric Switch Optical Sensor ST188 Slot PCB Photo Interrupter Slotted
Limited time offer, ends 11/01
$12.99
Free Shipping
AJMRTC HighSensitivity Linear Hall Sensor Module, 1.4mV/G Analog Output Magnetic Field Strength Detector, Magnetic Induction Switch Module for Arduino Microcontroller DIY Electronic Projects
Limited time offer, ends 11/25
$15.57
Free Shipping
Pinless Moisture Meter with Ball Sensor Digital Moisture Detector for Walls, Wood, Drywall, Concrete Non-Destructive Scanner with LED Flashlight & Custom Alerts
Limited time offer, ends 10/31
$57.85
Free Shipping
AJMRTC Integrated Protection Liquid Level Sensor Switch Module, Automatic Pumping and Drainage Water Level Control Circuit Board, Water Level Detection Controller for Water Tank Pool Pump Control
Limited time offer, ends 11/25
$11.79
Free Shipping
AJMRTC 52mm PP Horizontal Float Switch, Down Mount Liquid Water Level Sensor, Tank Water Level Controller, for Water Pump Aquarium Liquid Level Detection
Limited time offer, ends 11/25
$10.69
Free Shipping
