Main Features:
	 
	* 5.6-inch high-definition screen, high strength aluminum alloy metal shell.
	 
	* Several probes could be interchanged: cattle dedicated rectal linear array probe/rectal convex array probe/sheep dedicated rectal probe with handle.
	 
	* The rectal probe does not need a converter, which is more convenient to operate.
	 
	* Sixteen colors are adjustable.
	 
	* Video playback function, the last test video could be played and observed, convenient for one person to operate and record videos. 
	 
	* Grid ruler, quickly read out the size of the measurement target.
	 
	* This device is equipped with a belt and a lens hood.
	 
	* Support external U disk, monitor, printer, etc.
	 
	* Support multi-language customization.