This ATOP 1200D-AT mini OTDT comes with a 4.3-inch multi-touch capacitive screen that is an automatic OTDR specialist with a zoom function and an intelligent 12-in-one functional module, an optical power meter, a visible fault locator, an optical Damage test, a sequence test, a length test, a digital tracker flashlight and end face detection. In addition, it supports a one-key automatic OTDR test and can simultaneously display a curve list and MAP view.