DY29 Auto Car Break Out Box, OBD2 OBD Car Protocol Detector , Car OBD2 Interface Car Monitor Features: Introduction: This is a car tool for OBD2 diagnostic link connector, easy access to OBD2 connector, safe and convenient monitoring protocol, power and ground signal. It can also be connected to a multimeter or oscilloscope for further testing once unacknowledged signals are detected. Probing at the OBD2 connector is no longer necessary. Easily access each of the 16 pins as the scan tool communicates with the vehicle. LED provide a quick indication of power or ground issues at the OBD2 connector. Mimics the OBD2 connector layout for quick reference. This display provides quick, safe and easy access to chassis ground and power. Uses safety banana jacks that accept all types of 4mm banana plugs, including those with safety boots. What You Get : 1*Automotive diagnostic protocol detector . 2*User manual. Specifications: Item name: Automotive Diagnostic Protocol Detector Color: As shown Material: ABS Special features: Power supply detection. Grounding detection. Signal detection. Analog OBD2 16-pin setup. LED indication: Yellow LED (Pin 2/6/7/10/14/15). Light up to show communication with scan tool and protocol identification. Green LED (Pin 4/5). Light up to show ground is good. Red LED (Pin16). Light up to show there is power. Line length: 90cm/35.43in Item size: 180*80*35mm/7.08*3.14*1.37in Do not jumper pins together without understanding the circuits. Do not use the tool to power up a load device exceeding 1 amp. Do not place a jumper between the power pin 16 and ground pins4, 5.When this monitor is engaged the yellow LED will flash when changes take place on the corresponding data line. The flashing LED will allow you to determine the activity on that line. The green and red LED corresponding to OBD2 connector pin 4,5 and 16 are always active. Notes: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 10-30mm.