APP Control: A ZigBee wireless hub is a must that connects to many other ZigBee intelligent products and realizes the whole linkage of your intelligent home devices. Simply add your gateway to the App, then add your radiator actuator to your gateway in the App. Voice and Remote Control: Supports App remote control via your intelligent phone, together with the hands-free voice control compatible with Alexa and Google Assistant after successfully connecting your App on the basis of one ZigBee Wireless Gateway. Programmable: Supports manual set up 5+2 weekly schedule with 4 periods for option, providing you with the maximum convenience for different situation and setting customized schedule for your house temperature. Exquisite Design: New mini elegant curve design with extremely graceful arc waist shape and rubber stretch paint. It has simple and natural surface but it is extraordinary and exquisite. And it is equipped with LED display and room temperature graph. Multiple Option: There are many colors and combinations to choose as you need. You can choose white, black or gray and 2 or 4 pcs according to your preference. Features: APP Control: A ZigBee wireless hub is a must that connects to many other ZigBee intelligent products and realizes the whole linkage of your intelligent home devices. Simply add your gateway to the App, then add your radiator actuator to your gateway in the App. Voice and Remote Control: Supports App remote control via your intelligent phone, together with the hands-free voice control compatible with Alexa and Google Assistant after successfully connecting your App on the basis of one ZigBee Wireless Gateway. Programmable: Supports manual set up 5+2 weekly schedule with 4 periods for option, providing you with the maximum convenience for different situation and setting customized schedule for your house temperature. Exquisite Design: New mini elegant curve design with extremely graceful arc waist shape and rubber stretch paint. It has simple and natural surface but it is extraordinary and exquisite. And it is equipped with LED display and room temperature graph. Specifications: MaterialABS Color: Black / White / Gray (Optional) Power Supply: 3 V 2 * AA Batteries (Not Included) Maximum Stroke: 4.5mm / 0.2in Set Temp. Range: 5-45 Display Temp. Range: 0-70 Ambient Temp.: 0-45 Ambient Humidity: 5-95% RH (Non Condensing) Storage Temp.: -5-45 Item Size: 8.5 * 5.3 * 5.2cm / 3.3 * 2 * 2in Package Size: 12 * 8.6 * 8.6cm / 4.7 * 4.7 * 3.4in Package Weight: 2PCS: 0.5kg / 1.1lb 4PCS: 1kg / 2.2lb Note: AA Battery is not included. Package List: 2 * Radiator Thermostat 2 * Radiator Thermostat 2 * User Guide 2 * RA Adapter 2 * RAV Adapter 2 * RAVL Adapter 2 * Comap Adapter 2 * T+A Herz Adapter 2 * Herz Adapter