On-the-go Wi-Fi controllability via App Voice control compatible with Amazon Alexa Simple to install, program and operate Universal metal wall brackets for quick installation - locks bottom of radiator Filled with high quality thermal emission oil for fast heat-up time Large, easy to read TFT LCD display screen 3 Operating Modes: Eco, Comfort, Frost Protection Use less energy and save money with PID Intelligent Control Conserve energy with Open Window Technology Customised heating schedule with Adaptive Start feature Triac Electronic Thermostat ensures silent operation FSC certified packaging