Our flush-mounted doorbells impress with a clear, simple design that blends harmoniously into the flush-mounted product range of leading socket and switch manufacturers. They not only offer an attractive look, but also come with 17 polyphonic ringtones and can be seamlessly integrated into the wall frames of various manufacturers. Practical functions such as two-way call differentiation, mute function on the front, and stepless volume control round off the package. Brand: Grothe Manufacturer article number: 43706 Type: UP-GONG 230ws Short product description: • Requires 230 V AC, 50 Hz (80 mA) • 17 polyphonic melodies • 2-way call differentiation • Push-button for melody selection • Push-button for volume control • Mute function possible • Volume: max. 83 dB(A) • For 50 x 50 mm wall frames • Mounting plate/frame included Detailed product description: • Device type: UP electronic doorbells (flush-mounted) • Dimensions: 80 x 80 x 40 mm • Call distinction: 2-way • Color: White (similar to RAL 9003) • Installation depth: 31 mm • Number of melodies: 17 polyphonic melodies • Power supply: 230 V AC, 50 Hz (80 mA), 230 V AC, 50 Hz • Volume: max. 83 dB(A), adjustable