EMOS Wireless doorbell P5725, with night light

color: white | button range: 100 m | maximum ring volume: 85 dB | possibility to add another button: yes, max. 4 | main unit power supply: 230 V AC | button power supply: 1 × 12 V A23 (included in the package) | optical signaling on the button: no | optical signaling on the outside: yes | number of melodies: 32 | number of receivers in the package: 1 pc | number of buttons in the package: 1 pc | transmission frequency: 433 MHz | additional (spare) button: no | sales package : 1 pc, blister | volume control: yes, 4 levels | special features: night light function | waterproof button: yes | pairing mode: automatic pairing - self-learning | transmission method: wireless doorbell