Smart radiator thermo valve, ZigBee, TUYA, with LCD indication

Specs:
Product Size: L: 77mm, Φ51.5mm
System: support IOS8.0 / Android4.0 and above
APP： Smart Life/Tuya Smart
\Voice Control:Amazon Alexa,Google Home,Yandex Alice,Smart thing etc.
Protocol: Zigbee 3.0
Material: ABS flame retardant
Temperature Sensor:NTC
Battery:2X1.5V AA Battery(alkaline battery)
Working Temperature: -10°C-40°C
Ambient Temperature: 0-50°C
Constant Temperature tolerance: ±1°C
Temperature Calibration:-3°C-+3°C
Thread Size:M30*1.5mm

Main Feature:
[Ultra Compact Body,Powerful and Accurate Control]
Optimized structure to load powerful motor in a compact body,accurate
dedicated and save space.
[Auto Stroke Distance Detetcion Function]
Compatible with valve needle with different stroke distance.
[APP Remote Control]
Download smart life /Tuya smart APP on your phone&Tablet to control the TRV
anywhere/anytime.
[Hand Free Voice Control]
Compatible with amazon alexa echo ,google home etc ,a simply command to
voice control the TRV.
[Programmable Weekly Schedule]
7 days/week and 6 time period/day programmable live smart,comfortable and
energy saving.
[History Temperature Record]
History temperature been recorded and display in curve.Convenient to track
temperature change in the room.
[Anti Freeze and Calcification]
TRV been programmed by default to on/off in defined temperature and
time,make sure pipes not been frozen and calcified in daily use.
[Temperature Calibration Function]
Accurate temperature detetcion and display,comfortable living environment.
[Open Window Detetcion Function]
Actived = Room temperature drop ≥ 6 degree within 4 minutes,valve
close,stop heating.
Release=Room temperature rise 3 degree/48 mins later/manually
[Group-Control Function]
Multi switch in different room can set in a group ,realize group control function.
[Child Lock Function]
Child Lock Function avoid kid`s operation on it. Make sure your home in smart
and safe status.
[Linkage Function]
It can linkage with other switch ,sensor and appliance in your home ,make
create different scene possible,such as sleeping mode,working mode,dinner
mode ,back home mode etc.
[Family Share Function]
You can share the switch to your family with the limited right,create a smart
home together with your family member