1.Digital wireless doorbell, mains plug-in
2. 100+ meters range (Unobstructed)
3. 32 polyphonic melodies
4. Volume control in 3 levels
5. LED strobe in the bell and the push
6. Battery for push: 1 x 12V/A23 (included)
Voltage for bell: AC 200-240V or AC 100-140V
7. IP 44 waterproof push
8. Push: 97 x 35 x 24mm
Bell: 117 x 56 x 29mm
9. CE/RoHS certificates