Features: Automotive Circuit Tester: Automotive Circuit Tester can quickly detect various communication line signals, sensor signals, as well as various test lamp tests and voltage measurements, making it the best electrical tester for 0-45V circuit system detection and maintenance. Convenient to Carry: TopDiag p50pro automobile circuit testing pen is compact, portable and easy to carry. The MiNi oscilloscope is small-sized, high accuracy, supports AC/DC signal mode, and a frequency range of 10Hz and 200KHz, making it easy to detect and repair various sensor faults in vehicles. AC/DC Testing: Supports DC and AC voltage test, and can record the maximum and minimum voltage values during the measurement process, which is very convenient. Multifunctional test light: Supports 5W power test light, LED test light, multiple test light modes, to meet different line testing needs. Flashlight: Imported beads with high brightness and low power consumption, illuminate the working area in front of the probe in dark places. Specifications: Brand: TopDiag Model: p50pro Item: Automotive Circuit Tester Color: Black, Red Material: Plastic DC Test: 0.1-45V Working Current: 40MA Battery Working Time: 4-5h Test Lamp Power: 12/24V 5W AC Test: 0.1~±45V Battery: 200mah Frequency Broadband: 10Hz-200khz Display Screen: TFT Color Display Cable Length: 1.5m/4.92ft Tester Body Size: 18.5*3.3*2cm Package Size: 20.5*5.5*3cm Package Weight: 110g Package List: 1 * Automobile Circuit Tester 2* Small Light Bulb 1* User Manual