The Byron Wireless Portable Doorbell Set is a touch-free doorbell with a 100m range, perfect for homes, shops, or schools. The set includes a doorbell receiver and button, both made of durable plastic in a sleek white colour. The doorbell operates on batteries, with a 1-year manufacturer warranty. Featuring Wi-Fi connectivity and a rectangular button shape, this wireless door chime offers convenience and security with its reliable range and easy installation process.