The Proskit 908-T301 is a professional electrical safety test meter. It can be used to measure and test all low chances of electric current, voltage, and open circuit. It has a CATIII 600V measurement range, and also a 1,000V overload protection. The instrument is ideal for applications such as circuit wiring tests, electrical safety test, and overload current alarms. It can measure and indicate the voltage, phase or frequency of an electric circuit, and can also detect short circuit, phase loss or over discharge protection conditions. It also has a 56mm backlit LCD display, providing easy-to-read mechanism and operation menu.