Yale Doorbell Chime Grey, White

Depth: 37 mm | On/off switch: Yes | Quantity: 1 | Do not disturb function: Yes | Built-in speaker(s): Yes | Package width: 112 mm | Package depth: 66 mm | Adjustable volume: Yes | AC input frequency: 50 - 60 Hz | Input voltage: 100 - 240 V | Package height: 144 mm | Volume control: Yes | Plug and Play: Yes | Number of sounds: 7 | Power source type: AC | Frequency: 433 MHz | Product colour: Grey | Weight: 53 g | Package weight: 90 g | Indication light: Yes | Height: 64 mm | Width: 64 mm