1. 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
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: 89 x 33 x 20mm
Bell: 120 x 61 x 3mm
9. CE/RoHS certificates