用LED数码管显示时、分、秒时间，尽量减少时间积累误差，具有秒闪功能。

最多能设置40个打铃时间点，打铃时间点数据用非易失存储器存储，防止掉电丢失数据；能逐个检查、修改、删除已设置的打铃时间点和增加打铃时间点。

对时、打铃时间点用键盘设置，键盘设计简单、易于操作。

具有强电驱动功能，便于控制220V的电铃。-LED digital display with hours, minutes, seconds, to minimize the time error accumulation, with second flash function. Set up to 40 ring a bell time, playing with a bell time of data stored in nonvolatile memory to prevent loss of data, power down　to individually inspect, modify, delete set of playing time and increase the fight bell ring time. On when the bell time to play the keyboard settings, keyboard, simple design, easy operation. Strong electric drive functions, easy to control the 220V the bell.