This temperature controller is weekly programmable, with 5+2/6+1/7 days weekly programmable with 6 time slots for weekdays and 2 time slots for weekends, you can set different temperatures for different time slots. Keypad lock function is designed to prevents child from misuse. Four models optional, you can choose K2RH3A, K2RH3A-wifi, K2H16A, and K2H16A-wifi depending on your needs. Features: Premium Material: Elegant appearance, scratching resistant, high impact strength, and nice comprehensive performance. LCD Touching Screen: With a digital LCD display for easy reading, high sensitive touching screen button, easy and convenient to use. Intelligent Temperature Control: Built-in high accurate NTC temperature sensors, with 5-60 temperature control function. Manual/Auto Mode: Free to choose the manual mode or auto mode according to different uses. Weekly Programmable: 5+2/6+1/7 days weekly programmable with 6 time slots for weekdays and 2 time slots for weekends, you can set different temperatures for different time slots. Child Lock: Keypad lock function is designed to prevents child from misuse. Wide Applications: Applicable to electric heating and gases boiler/water heating control, suitable for home, office, shopping mall, hotel, etc. 4 Models Optional: Four models optional, you can choose K2RH3A, K2RH3A-wifi, K2H16A, K2H16A-wifi depending on your needs. Wifi Version: APP Control: Intelligent thermostat, you can control it with your cellphone before you go home, through Tuya APP. Voice Control: Compatible with Amazon Alexa and Google Home for voice control. Specifications: Name: Temperature Controller Material: plastics Type: K2RH3A, K2RH3A-wifi, K2H16A, K2H16A-wifi (optional) K2RH3A: water heating/boiler K2RH3A-wifi: water heating/boiler with wifi K2H16A: electric heating K2H16A-wifi: electric heating with wifi Display: LCD Temperature sensors: NTC Temperature accuracy: 1 Display: LCD Working environment: -5 to 50 Power consumption: