1. Digital wireless doorbell, battery operated
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 × 12V/A23 (included); for bell: 3 × 1.5V/AA
7. IP 44 waterproof push
8. Push: 86 × 33 × 20mm
Bell: 134 × 92 × 25mm
9. 3 modes in the bell: Melody with LED strobe, melody only and LED strobe only
10. CE/RoHS certificates