Milesight - Power Supply?95~240 VAC, 50~60HZ Adjust the Room Temperature Automatically and Manually with a Time-controlled Regulation Applicable for Two Pipes and 3-Speed Fan Coil System, Compatible with On/Off Relay (WT301) or 0-10V (WT302) Valve Control 5+1+1 Six Periods Programmable Maximize Comfort and Economy High Accuracy of 0.5°C for Temperature Regulation, Enabling Precise Control of Indoor Temperature Levels Adopts an LCD Screen with Four-color LED and Capacitive Touch Buttons, Providing a Better Interactive Experience With a 12cm Ultra-thin Embedded Panel and a Sleek, Frameless Design, With Clock Display Function Equips with External NTC Sensor Signal Input and Keycard Switch Input Highly Adapt to Different Scenarios with 86mm Hidden Box and European 60mm Round Box IP20 Rated