Shelly 1 Gen4 Aqara It typically uses current transformers

It typically uses current transformers (CT clamps) that are easy to install without electrical modifications

The Sonoff Zigbee Water Leak Sensor (With Battery) is a battery-powered sensor designed to detect water leaks or floods

Enjoy high-quality sound and seamless connectivity with this black beauty

connecting Zigbee devices to your Wi-Fi network and enabling control via the Aqara Home app

Shelly 1 Gen4 Aqara It typically uses current transformersShelly 1 Gen4 is a small form factor smart switch with potential free contacts, which allows remote control of electric appliances through a mobile phone, tablet, PC, or home automation system. It can work standalone in a local Wi Fi network or it can also be operated through cloud home automation services.