Question about CasaControl Radio doorbell

- Power supply doorbell (transmitter): 1 button cell type CR2032 (included), base station (receiver): 2 batteries type AA / Mignon (please order separately).
- Dimensions doorbell: 90 x 36 x 18 mm, weight: 34 g, base station: 70 x 100 x 30 mm, weight: 76 g (without batteries)
- Doorbell including button cell, base station, mounting material and German instructions