The Valcom 16 - Inch Analog Clock is designed for easy installation and relocation, featuring a durable black metal case and shatter - proof polycarbonate crystal. This battery - operated clock maintains accurate time even during power outages, thanks to its built - in repeater and transmitter. With a long battery life of up to 7 years, it is perfect for any home or office setting. The clock's round shape and classic analog format make it a timeless addition to your decor.