Introduction - If you have any usage issues, please Google them yourself
Designed with a specific function of a digital electronic clock. Accurate timing to the digital form h, min, s time. Hours of time requested for the 24 binary, minutes, and seconds of time requested for the 60 binary. The electronic bell power or reset button can automatically display 00-00-00 prompted, enter the clock readiness the first time by e-bell function keys, the electronic bell from 00:00:00 to start running, enter the clock running again by e-bell function keys, the electronic bell to enter the clock adjustment status, at this time can use the adjustment button to adjust the time to adjust after the end of function keys can be re-entering the clock running.