Features: 1Widely used: It can be connected with other devices through wireless internet. Suitable for heating and central air conditioning temperature control in residential shopping malls and hotels. 2Powerful Functions: This valve comes with a compatible connector and is a smart living temperature control assistant. It has holiday mode and rest mode and supports individual temperature settings. 3Mobile App Control: You can set the working time of this velve by yourself for Smart Life APP. The mini design is easy to operate convenient to display and space saving 4Weekly Programmable Schedule: Our thermostat valve supports 5 and 2 six period weekly programming 6 and 1 six period weekly programming seven days and six time period programming. 5Voice Control: Our thermostat valve supports voice control function. Use simple voice commands to control the thermostat when your hands are not free. Specification: Item Type: Thermostat ValveMaterial: ABSWeight: Approx. 195g/6.88ozSize: 5.6x5.6x7.5cm/2.20x2.20x2.95inOperating Voltage: 2xAA batteries (not included)Control Accuracy: 0.5Temperature Sensor: NTC (10k) 1%Operating Ambient Temperature: 0-50CDefault Setting Temperature range: 5-35CDisplay Temperature range: 1-70CMaximum Stroke: 4.5mm/0.18inThread Specification: M30x1.5mm Package List: 1 x Controller1 x Instruction Manual1 x RA Adapter1 x RAVL Adapter1 x RAV Adapter1 x Screw1 x Nut2 x Interface Valve Note: The product is only an automatic controller of the thermostatic radiator valve which can only be used normally if it is controlled by APP and connected to other for Zigbee devices through a wireless gateway.