Features: 1) Detect the vehicle\'\'s speed as well as its signals, such as brake, left light, right light, farther light, nearer light and reversing light, with 0.2-second interval; also can record those information of 20-second\'\'s state before the vehicle stops 2) Speed data recording: can record the vehicle\'\'s average speed with 1 minute interval, the max capacity reaches 360 hours 3) Tired-driving recording: can detect the driver\'\'s tired-driving state; also can record that information of latest 2 days 4) Driver identification: with an IC card, can identify the driver. Information in the card includes driver\'\'s code 5) Judgement: can judge whether the driver has ever drove the vehicle out of speed or in a tired state, according to average speed data and tired-driving data; it can even print records out by connecting to a printer 6) Data uploading: the recorder has a USB and a standard serial interface, which can load data into a computer or U storage