Amazon.com: AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board : Industrial & Scientific
MakerHawk 6pcs Optical Endstop with 1M Cable Optical Switch Sensor Photoelectric Light Control Optical Limit Switch Module for 3D Printer: Amazon.com: Industrial & Scientific
Amazon.com: Sonoff Wifi Switch, DC5V 12V 24V 32V Wireless Relay Module Smart Home Automation Modules APP Remote Control Timer Switch Voice Control Compatible with Alexa Google Home
Amazon.com: RF Switch Module, Single‑Pole 6 Throw Non‑Reflective Electronic Component HMC252 DC‑3 GHz, with Small Size, High Operating Frequency, Convenient To Use and With Good Performance : Industrial & Scientific
Amazon.com: DIY Wireless WiFi Smart Switch Module for Smart Lights, 1 Channel Automation DIY Voice Control Smart Light Switch Relay Module, APP Remote Control Switch for Home(WiFi) : Tools & Home Improvement
Amazon.com: NOYITO 1-Channel MOSFET Switch Module IRF540 Isolated Power Module (1-Channel, Red) : Electronics
X10 Wall Switch Module - WS467 - Wall Dimmer Switches - Amazon.com
SONOFF Basic R2 10A Smart WiFi Wireless Light Switch, Universal DIY Module for Smart Home Automation Solution, Works with Amazon Alexa & Google Home Assistant, Works with IFTTT, No Hub Required - -
Amazon.com: WịFị Switch Relay Momentary Inching & Self-Locking Relay Delay Switch Module Smart Home Remote Control DC 12V Compatible with iOS Andriod 2G/3G/4G Network, Read Manual Before Use : Automotive
Self Lock Switch Module, 5/12 V/ 24V Self Lock Switch High Level Trigger Relay Module One Button Start Stop Self Locking Relay Module (DC 12V): Amazon.com: Industrial & Scientific
WIFI Momentary Inching Relay Self-locking Switch Module Wireless Relay Switch Module for Household Appliances, Compatible with Alexa Echo Google home, DC 7-32V DIY Switch Module for Garage Door Opener - - Amazon.com
LEOMOCA Zigbee Smart Light Switch Module 110-240V- DIY Relay Switch Home Automation Modules-Smart Life/Tuya Compatible with Alexa Echo Google Home (2gang-2Pack Need Neutral) - - Amazon.com
MHCOZY WiFi Wireless Smart Switch Relay Module for Smart Home 5V 5V/12V，Ba applied to access control, turn on PC, garage door (5v) - - Amazon.com
COLOROCK Mini Smart Relay WiFi Switch, DIY Smart Light Switch Module Smart Life/Tuya App, Compatible with Alexa and Google Home Smart Speakers,with Appointment Timing Function. 16A (2Pack).: Amazon.com: Tools & Home Improvement
Amazon.com: Timer Switch Module, DC 12V Adjustable Delay Timing Timer Relay ON Off Switch : Tools & Home Improvement
Smart Light Switch Module, Wireless Light Switch 3 Gang Convenient 90‑250V Small Size for Electric Appliance: Amazon.com: Tools & Home Improvement
MHCOZY 1 Channel WiFi Momentary Inching Relay Self-Lock Switch Module,DIY WiFi Garage Door Opener, Work with Alexa Google Home Nest IFTTT: Amazon.com: Tools & Home Improvement
Amazon.com: Hard Drive Power Switch Module for 2.5/3.5 inch SATA HDD/SSD, SATA Switch, HDD Power Switch Hard Drive Selector，Controls up to Four HDDs : Electronics
Smart Switch Module, Multifunctional Safe Convenient Intelligent Switch Module for Electrical Appliances for Home(ZigBee): Amazon.com: Tools & Home Improvement
eMylo WiFi Relay Switch Wireless Light Remote Control Module For Smart Home Automation Compatible with Alexa DIY 6 Packs - - Amazon.com
Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific
4 Channel WiFi Momentary Inching Relay Self-Lock Switch Module,DIY WiFi Garage Door Controller (5-32V): Amazon.com: Tools & Home Improvement
WiFi Switch, eMylo Smart WiFi Relay Switch Wireless Light Remote Control Module for Smart Home Automation Compatible with Alexa Google Assistant: Amazon.com: Tools & Home Improvement
Switch module: Amazon.com: Industrial & Scientific
