This Smart Chime Portable Door Chime can be used wall-mounted, free-standing or carried. The extensive wireless range of up to 100 metres means the chime unit can be carried from room to room and outside into the garden to ensure a visitor is never missed. The weather-resistant bell push is easy to attach near your front door and is paired quickly to your chime unit. The chime unit can be programmed to one of 26 chimes and each model offers its own unique features to help cater for different lifestyles.