Description:[ APP Remote Control ]Intelligent Life/Graffiti APP remote control anytime, anywhere [ Voice Control ]Collaborating with Alexa, Home, and Yandex [ Three modes available ]Manual mode/Program mode/Temporary program mode [ Weekday Settings ]5+2/6+1/, supporting different temperature settings, with 6 time modes per day [ Backlight brightness adjustable ]Backlight can be adjusted and turned off to avoid disturbing sleep [ Accurate temperature control, more comfortable ]Temperature hysteresis: 0.5~10 , minimum temperature setting: 0.5 [ Temperature Calibration ]Display the comparison temperature range, adjust the temperature calibration (9.9 to - 9.9) [ Group Control Function ]Implement group control of another room in special scenarios [ Child lock ] Locking function to prevent children from misoperating [ Family Sharing Function ]Create a Smart Home with Your Family : Set: B 3A WiFi Water Heating Type: WiFi intelligent temperature controller APP: Smart Life/Smart Graffiti Voice control: , Home, Yandex , etc Temperature sensor: Voltage: 100-240V AC, 50/60HZ Maximize. Load current: 16A / 3A Temperature accuracy: 1 Self consumption power: Less than 1W Display range: 0 -51 Material: plastic+metal colour: As shown Package Contents: 1 x Tuya WiFi Smart Thermostat(3A WiFi Water Heating) 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.