Amazon.com : SEHOMY 1 Pack WiFi Door Sensor Alarm, Smart Door Open Contact Sensor Realtime APP Notification Compatible with Alexa Google Assistant, Home Security for Safety, Wireless Window Detector Burglar Alert : Electronics
Amazon.com : Zynect Soilmote Wireless Remote Soil Moisture Sensor. WiFi Monitoring Text Alerts 24/7 Monitoring. Water/Dust Proof, Datalogging. No Subscription/Monthly Fees. Made in America. (Red) : Patio, Lawn & Garden
OPS243-A Doppler Radar Sensor with WiFi/Bluetooth Interface - OmniPreSense
Smart WiFi Water Sensor Leak Detector – Ecoey
WBM SMART WiFi Door Sensor, Window Alarm Sensor, Wireless Security Alarm, Compatible With Alexa, App Control HD-DS-01 - The Home Depot
Esp8266 Esp-01s Esp01s Serial Wireless Module Wifi Sensor (esp8266 Esp-01 Updated) For Arduino Wifi Module Advanced Version Diy - Replacement Parts - AliExpress
Wireless Water Temperature Sensor WiFi Wireless Sensors for Remote Monitoring | Sensorfi
Wireless temperature sensor with probe SensGuard PT100
Amazon.com: Thermote X Wireless NIST Traceable Remote Temperature Sensor. WiFi with Text/email alerts. 24/7 Monitoring. No Subscription Fees. : Electronics
Thermote X Ultra Low Freezer Sensor - Wi-Fi - Zynect
Industrial IoT Wireless Soil Moisture Temperature EC Sensor Transmitter
DCH-S161 Wi-Fi Water Sensor | D-Link
Wi-Fi Sensors for IoT Remote Monitoring
Wireless thermometer hygrometer for external probe | COMET SYSTEM, s.r.o.