Table clocks generally come with either digital LED readouts or traditional analog faces, so you can choose between a numeric LED display or a classic dial.
Most table clocks plug into an outlet and many include a battery backup. Battery types shown across models include a single 9‑volt alkaline, two AAA alkaline, or one AA alkaline cell.
Several table clocks include USB charging ports, and some specify a 2 AMP (rapid‑charge) USB port so you can charge phones or other small devices alongside the clock.
Some table clocks include a projector that casts the time onto a wall or ceiling with adjustable alignment, and a few models also display date or calendar information alongside the time.
Reviewers often praise very large, readable digits and clear displays that are visible across a room. They also note that some displays can be quite bright, making built‑in dimmer controls a valued feature.