Product usage: 16A is suitable for electric heating film/heating floor/electrical warm painting/heating cable/heating tiles. describe: 1. Store memory; 2. Intelligent programming; 3. LCD color screen LCD display; 4. WIFI network withdrawal function; 5. Dual temperature and dual control; 6. Key control; 7. High temperature protection; 8. Anti-freeze function; 9. Time display; 10. Children's lock; 11. External audio and voice control; 12. WiFi version can be remotely controlled by mobile phone; Specification: 1. Load: 16A 2. Power supply voltage: 90V-240V AC 3. Maximum power: 5500W 4. Product size: 86mm x 86mm x 41mm Color: As Shown Material: ABS Package Contents: 1 x Smart Thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.