Features:

1. Beep alarm to alert the user in the event of Bad Resistance, Shorted or Open Circuit.
2. Test all commercially available glow plugs including ceramic glow plugs
3.  Self calibration for better accuracy
4. Graphical display user interface and portable
5. Reliable, fast and economical testing because there is no need to remove the glow plugs from the engine, or start the engine
6. The tester comes with a built-in torch light to facilitate working in dim surroundings for locating the glow plug. To turn ON, press and hold the green button as shown.