ANENG VD700 Quality Digital Display Test Pen 143mm X 26mm X 18.7mm Voltage Meters Electrical Instruments - Yellow Product features: night vision lamp with lightingMaterial: chrome vanadium alloy steel / ABSinsulating plasticScope of application: suitable for detecting12-250v ac and dc current and simply detectingzero line, phase line and breakpoint of ac current,as well as non-live conductor and on-offCircuit on-off testPress the "inductive breakpoint test" button, thecharged symbol is the phase line, if there is abreakpoint in the live circuit, move the test pen, thepoint where the charged symbol disappears is thebreak pointSpecial attention: measuring AC voltage can not exceed 250V Battery model: AG10 (1.5V) X3Product size: 143mm X 26mm X 18.7mm5.63in X 1.02in X 0.73in