Luxurious electronic doorbell with a wide selection of melodies, battery powered. Brand: Grothe Manufacturer article number: 43170 Type: CROMA 100A Short product description: • Colour: silver/grey • 17 different melodies • 2-way call differentiation • Parallel switching possible • Stepless volume control • One-button mute function • Low-battery signalling • Battery operation Detailed product description: • Device type: Electronic doorbells • Dimensions: 190 x 165 x 50 mm • Series: CROMA • Call distinction: 2-way • Colour: Silver / Grey • Front panel: Matt, semi-transparent 4 mm acrylic glass panel • Front panel color: Silver / Grey • External power supply: 8–12 V AC/DC • Number of melodies: 17 polyphonic melodies • Operating temperature: 5 °C to 40 °C • Power supply: 4 x 1.5 V (type LR14/C) • Volume: max. 83 dB(A) adjustable