WiFi-operated relay switch, 1 channel 16A
Control wide range of home appliances and office equipment (lights, power lines, security systems, heating radiators, air conditioners, etc.) from anywhere with the smallest WiFi-operated relay switch, with Bluetooth connection  
Wi-Fi operated - Connects to your Wi-Fi network. No HUB required!
Bluetooth - Add devices quick and easy via Bluetooth connection, using Shelly Cloud App
Dry contacts
Low voltage support
Extremely fast processor – ESP32
Enhanced safety - Over-temperature protection
Enhanced security - MQTT and WSS support, TLS and custom certificates support
Improved API interface