Vicki is a smart thermostatic radiator valve (TRV) retrofitting radiators with thermostatic valve and allowing for temperature control and monitoring from distance. Manual target temperature selection is possibly by rotating the outer ring of the device. The target temperature is displayed on the device. Currently one of the most durable e-TRV\'s on the market with its improved - metal reinforced backplate.- Manual adjustment of temperature- 2-digits display (possible to swich to 1-5 scale)- Automatic temperature control algorithm- Automatic temperature control algorithm with external temperature reading- Manual valve openness control- Open window detection- Child lock- FUOTA-Offline schedules