SINOTIMER MH0302 Intelligent High Precision Temperature Humidity Controller Digital Display Temperature and Humidity Meter1. Operating power: AC220V, 50HZ 2. Power consumption: less than 2W 3. Resolution: 0. 1 4. Setting temperature: 40. 0 120 degrees Celsius 5. Setting humidity: 0 99. 9% 6. Basic error: temperature: less than 0. 5% FS; humidity: less than 4. 5% FS 7. Display device: LED (0. 56 inch) 8. Control output: AC250V 3A (resistive load) 9. Operating environment: 10 50 degrees Celsius, 45 85% RH 10. External size: about 7. 2 x 7. 2 x 8cm 11. Opening size: about