Adding power meters to any relays: Aqara T1 & Zigbee2MQTT - YouTube
Single Switch Module T1 (No Neutral)
Aqara Cube T1 Pro (review) – Homekit News and Reviews
Aqara Wireless Relay Controller | Single-way Control Module | Aqara Single-way Control - Smart Remote Control - Aliexpress
Amazon.com: Aqara Cube T1 Pro, Requires AQARA ZIGBEE 3.0 HUB, 6 Sides to Control Different Scenes and Diverse Actions to Control Smart Home Devices, Supports Homekit, Alexa and IFTTT : Tools &