Heidemann 70722. Connectivity technology: Wired, Product colour: Silver, Material: Stainless steel. AC input voltage: 24 V. Width: 96 mm, Depth: 23 mm, Height: 56 mm. Package type: Blister. Quantity per pack: 1 pc(s) Weight & dimensions Width: 96 mm Depth: 23 mm Height: 56 mm Power AC input voltage: 24 V Packaging data Package type: Blister Packaging content Quantity per pack: 1 pc(s) Features Connectivity technology: Wired Product colour: Silver Material: Stainless steel Fixing type: Screws Illuminated doorbell button: No Easy to install: Yes