[20A Max & Dry Contact Output]Support to connect 20A Max high load, TH elite support dry contact output. [LCD Screen]Real-time monitoring of temperature and humidity data, the screen refreshed every 5S. [6-Month Temp & Humi Historical Data by Hours]Support to review the temp & history data by hour, day and month. Past 6-month history data can be exported in .xlsx format and accurate to hour. [Local Automatic Control]Support LAN control, automatic control is more reliable. You can set 8 automatic control programs to save electricity bills and create comfortable surroundings. [Voice Control and Query]Work with Alexa, Assistant, you can query temperature and humidity values by your voice. Colour:White Material:plastic Package Contents: 1 x Smart Temperature Humidity Monitoring Kit 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.