Introduction
The Homematic IP Radiator Thermostat – basic (HmIP-eTRV-B-2) is a smart device designed to save up to 33% on energy, reducing heating costs and CO2 emissions while providing comfortable temperatures. It can be used with or without a control unit.

Energy Savings and Comfort
Users can create individual temperature profiles via an app, allowing up to 3 adjustable heating profiles and 13 changes per day. The thermostat features an open-window function that automatically reduces room temperature during ventilation to prevent energy waste.

Control Options
The thermostat can be controlled via an app, directly on the device, or through voice control with Amazon Alexa or Google Assistant. It also supports push-to-pair operation for manual configuration and can connect with up to five Homematic IP devices.

Installation and Features
The device is easy to install with a union nut for secure attachment to standard radiator valves. It includes features like a boost function for quick heating, eco mode for energy savings, valve protection against calcification, and an operating lock.

Technical Specifications

• Supply Voltage: 2x 1.5 V LR6/mignon/AA
• Battery Life: 2 years (typical)
• Degree of Protection: IP20
• Ambient Temperature: 0 to 50 °C
• Dimensions: 57 x 68 x 102 mm
• Weight: 185 g (including batteries)
• Radio Frequency Band: 868.0-868.6 MHz, 869.4-869.65 MHz
• RF Range: 250 m (open area)
• Connection: M30 x 1.5 mm

Package Contents
The package includes the radiator thermostat, Danfoss RA adapter, support ring, mounting accessories, batteries, and a user manual.

Additional Information
The thermostat can be integrated into a smart home system with the Homematic IP Access Point, allowing for comprehensive smart home solutions. Further details are available at the Homematic IP website.