1.釆用進口高速單片機作為主控芯片，精度高，抗干擾能力強、可靠性高，壽命長。

2.多種記時控制方式,0.000~99.999s,0.00~999.99s,0.0~9999.9s, 0h00m00s~9h59m59s正計時,倒計時。

3.自動復位，按鍵復位，外部電平復位可設置。

4.掉電記時值可保存。