Luxurious electronic doorbell with a wide selection of melodies – particularly "convenient" thanks to its 230 V operating voltage. Brand: Grothe Manufacturer article number: 43177 Type: CROMA 231 Short product description: • Colour: silver/grey • 17 different melodies • 2-way call differentiation • Parallel connection possible • Stepless volume control • One-button mute function • Multi-voltage operation (wide voltage range) • VDE tested Detailed product description: • Device type: Electronic doorbells • Dimensions: 190 x 165 x 50 mm • Series: CROMA • Alternative power supply: 8–12 V AC/DC • Call distinction: 2-way • Colour: Silver / Grey • Front panel: Matt, semi-transparent 4 mm acrylic glass panel • Mute: Via button • Number of melodies: 17 polyphonic melodies • Operating temperature: 5 °C to 40 °C • Power supply: 230 V AC • Volume: Max. 83 dB(A), adjustable