This VTech CS6529-4B Cordless Phone System with four handsets is the ideal solution for your home telephone needs. With DECT 6.0 technology, this phone system delivers clear and interference-free communication. The system features amplified sound, caller ID, conference-enabled, answering system, and call waiting. The phone is made of durable plastic material and is available in multicolor variants such as Blue, Green, Red, and Silver. The package dimensions are 12.2 x 6.5 x 3.5 inches, and it weighs 2 pounds. It requires four Lithium Ion batteries (included) and has a handset frequency of DECT6.0.