Prison visits productive labor time control countdown

This is the company "National New Product" SPC series of products, especially for prison visits, productive labor time control, time setting countdown display and audible ring to ensure accurate prison sentence pipe execution time, improve the quality of the rehabilitation of offenders, further reflects the modern management level prison, the image of modern civilization. It has a reliable, managed security, convenience, time display bright, clear mission, can easily start, stop, set the length of time a flexible, easy to operate, time and high precision (shape and specific features Jieke customized consultation) functions and features: 1, the countdown clock countdown can display time; 2, the countdown clock is displayed three times: when a bit, and sub-sub-ten bits. 3, "repeatable countdown preset time" arbitrarily set by the user; 4, regular time, you can control the bells ring out; 5, can be viewed at any time; 6, no external battery "may repeat the countdown of the preset time." (the "preset time") can keep the memory decade. 7, when the view or edit "preset time", without affecting the normal travel time clock (countdown). 8, the instrument uses high brightness LED digital tube display time, day and night, you can clearly see the time (count down the remaining time). 9, with the "Start" key exit ports, can lead to tens of meters outside of the place (classroom or factory gate) of the wall clock control (according to user needs, production support remote control).