The BT 4600 Digital Cordless Phone is a sleek and stylish silver handset that offers advanced features such as call blocking and a built-in answering machine. With a simple, user-friendly design and big buttons, this phone is perfect for those looking for a reliable and easy-to-use cordless phone for their home or office. The BT 4600 Single model comes with one handset that operates on a single phone line, providing clear and uninterrupted communication. With its DECT technology and 1.88 to 1.90 GHz handset frequency, this BT phone ensures quality and convenience for all your calling needs. Purchased for my nan and grandad never used, the box is BT 4000 But that is just because we lost the original box