Tuya WiFi Smart Thermostat Water/Heating/Gas Boiler Remote Controller For Alexa.

(APP: Tuya). Aluminum 3/5/7/9/11/13Slots M-Lock Rail Section Picatinny 20mm Rail Section. 11mm Dovetail to 20mm Picatinny Rail Converter Scope Adapter Base Mount. WIFI 16A Electric Heating/3A Gas Boiler/Water Heating.

eBay