Yale Doorbell Chime Grey, White

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