The Uniden D1780 DECT 6.0 Handset is a sleek silver cordless digital answering phone with a single handset. This phone features a speakerphone capability and operates on 1 phone line. With the option to expand to a maximum of 2 handsets, this Uniden brand phone is perfect for home or office use. The phone operates at a frequency of 1.9 GHz and is equipped with lithium-ion batteries, which may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.