Auxiliary current: take down 6HA Protection, etc.: IP20 Environmental temperature: 0-50 Surface temperature: up to 90 (at the radiator) Connection: 130 x 1.5mm Linear stroke: 6mn R-inch (xx): 59.4an x 99.3n x 59.4n Specifications: Zigbee Intelligent TRV Controller APP remote control Control the radiator temperature control valve anytime and anywhere through the mobile app Voice control Simply control TRV with voice commands Working mode settings Four working modes can be selected automatic Manual Normally closed Normally open Weekly programming function Supports a 7-day program with 4 temperature settings per day Screen rotation Click the setting button to switch the screen display direction (2 directions are optional) Brightness adjustable Three levels of brightness can be selected Window opening detection function start-up If the room temperature drops by>1.5 within 5 minutes, the valve closes and heating stops. (You need to first turn on the window detection function in the settings) Cancel Method 1: Increase the room temperature by 1.5 C within 4.5 minutes; Method 2: After 30 minutes, there is no operation on the application or device; Method 3: Set the temperature on the application or device. Child lock Ensure a safe home environment while ensuring the normal operation of the radiator Package Included: 1 * Temperature control valve 1 * Instructions 1 * Accessories 1 * Screw