needLarge screen LCD display, Chinese character prompt, real-time display speed, distance, time and other test data, clear and intuitive. System Re-allocationRS232Interface andSDMemory card interface, test data (speed, distance, time, etc.) are stored in file formSDOn the card, the user can conveniently analyze and process the data twice by using the system computer or the notebook computer. The velocity resolution of the system is0.01 km/h。
1. electric Source: Built-in:DC9.6v External:DC12V / 5A
2.Shape size≦210 X 150 X 60 mm（TZ-900）
3.heavy amount≦2.0 kg(TZ-900Contains built-in batteries)
4.Use temperature:-20℃～45℃
5.RS232Interface: baud rate9600，8Bit data bits,1Bit stop, no check