Best Sensors With Hubs

Kasa Smart Motion Sensor Switch, Single Pole, Needs Neutral Wire, 2.4GHz Wi-Fi Light Switch, Works with Alexa & Google Assistant, UL Certified, No Hub Required(KS200MP2),White,2-Pack

YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4-Pack, SMS/Text, Email & Push Notifications, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Home Assistant

YoLink Smart Wireless Temperature/Humidity Sensor Wide Range for Fridge Monitoring Pet Cage/Tank Monitoring, App Alerts, Text/SMS, Email Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included

Winees WiFi Water Leak Detector, 3 Pack Water Sensors(Hub Not Included), Easy Set Up, 100M Transmission for Basement, Bathroom, Laundry, IFTTT, S1 FSK(Accessory)

Aqara Door and Window Sensor Kit - 3 Pack, Requires AQARA HUB, Zigbee Connection, Wireless Mini Contact Sensor for Smart Home Automation, Compatible with Apple HomeKit, Alexa, Works with IFTTT

YoLink Smart Wireless Temperature & Humidity Sensor, Wide Temp Range for Freezer, Fridge, Green House, Pet Cage, App Alerts, Emails, Text/SMS alerts- Hub Required

Aqara Water Leak Sensor Kit - 3 Pack, Requires AQARA HUB, Wireless Water Leak Detector, Wireless Mini Flood Detector for Alarm System and Smart Home Automation, for Kitchen Bathroom, Works with IFTTT

Aqara Motion Sensor P1, Requires AQARA HUB, 5-Year Battery Life, Configurable Detection Timeout, for Alert System and Automations, Compatible with HomeKit, Alexa, IFTTT

Aqara Smart Hub M2 (2.4 GHz Wi-Fi Required), Smart Home Bridge for Alarm System, IR Remote Control, Home Automation, Supports Alexa, Google Assistant, Apple HomeKit and IFTTT

YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4 with 105dB Audio Alarm 4-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT