This device is controlling the room temperature by driving the radiator valve.
- It contains a radio. The frequencies are 868.3 and 869.525 MHz.
- According to your personal needs, you can create three different heating profiles with up to 6 heating phases per day.
- The adjustment can be done on the device itself or by an app or browser which are interacting with the main controller "HMIP-HAP". The HMIP-HAP is interacting with the HMIP-eTRV.

Technical specifications
Supply voltage:          2x 1.5 V LR6/mignon/AA
Battery life:              2 years (typ.)
Radio frequency:         868.3 MHz/869.525 MHz
Typ. open area RF range:  300 m
Dimensions (W x H x D):   58 x 71 x 97 mm
Weight:                  205 g (incl. batteries)