The Panasonic KX-TCM422 is a cordless telephone system that includes a base unit and a handset powered by a rechargeable Ni-Cd battery. Before initial use, the battery must be charged for approximately 3 hours. The manual details how to locate controls on both units and explains optimal placement for maximum operating distance and noise-free performance.
Charge the battery for about 3 hours before initial use.
The battery is beneath a cover on the handset.