ATF-6172
Automotive Diagnostic Probe SmartProbe SP-800
TFT color display with Quick Self-Test & Auto Circuit Breaker
 
Multi-functions: ignition plugs, sensor measurement, earth testing, polarity checks, continuity testing and components activation
Easy reading AVOmeter allows you to read voltage , current and resistance at the fingertip
Just pressing power switch, the live wire /ground lead can instantly power up electrical components such as the cooling fans,relays.
Simultaneously uses the live wire and ground lead to activate the components right away and can quickly decide the problems are from the components or wires
Instantly identifies positive, negative and open circuits
Test for bad ground contacts instantly, allowing you to follow and locate the shorts fast without wasting fuses
Instantly checks continuity of switches,relays and diodes
It can fast judge the signal lines, and can display normal automotive signals such as the 9600bps,10416bps,250K bps, and 500K bps
The new type automatic circuit breaker, can realizing the large current automatic circuit break protection, and automatic resetting 
Built-in bright flashlight on the front enables you to work in the dark area
Audio tone indicator allows for no-look menu scroll once users are familiar with menu tone assignment
20ft(extendable) cable provides the excellent accessibility to test along the vehicle