Smart things hub

Meross Smart Temperature Humidity Sensor, WiFi Room Thermometer Hygrometer, with Solar Battery/Alert/Data Storage, for Home Automation, Works with HomeKit Alexa Google Home SmartThings, Hub Included

Aeotec Pico Switch, Zigbee 3.0, Smart Flush-Mounted Relay for Switching, 16 A, Current Measurement, Scene Control, Repeater, Hub Required, Works with SmartThings, Homey, Alexa, HA, Designed in Germany

Meross Smart Door Window Sensor (Hub Required, Not Included), WiFi Mini Contact Sensor for Home Security & Automation, Instant Alerts, Compatible with Apple HomeKit, Alexa, Google Home & SmartThings

Meross Interlinked WiFi Smoke Alarm, Smoke Detector with Hub, Low Battery Alert Silence Button, Wireless Smoke Alarms for Home, Replaceable Battery, Apple HomeKit, SmartThings Supported, 2.4GHz Only

Meross Interlinked WiFi Smoke Alarm, Hub Required Smoke Detector, Low Battery Alert Silence Button, Wireless Smoke Alarms for Home, Replaceable Battery, Apple HomeKit, SmartThings Supported