Features Excellent Performance: This AC multifunction digital meter has low power consumption, high stability, high accuracy. The appearance adopts standard size, more convenient to install. Perfect Application: This digital voltmeter can measure AC voltage/current/power/frequency/power factor/electric energy on this one meter. Multi-Function: This frequency power factor multimeter has alarm functions of upper and lower limits of voltage, current, power and timeout to ensure safety. Self-calibration voltage, current error and other options can be set by pressing the key. Easy tu Use: This current tester adopts the digital LCD display with adjustable blue backlight, which is more clear and convenient to read data. Product Specification: Power Supply Voltage is DC8-18v (24V optional). Measurement Accuracy 0.5% 2 words. Size Approx.79 x 43 x 27mm / 3.1 x 0.9 x 1.9in. Specification: Item Type: Voltage Current Tester Material: Plastic Optional Type: #1 AC20A direct detection, #2 AC100A separated type, #3 AC100A open type, #4 AC200A separated type, #5 AC500A open type Power Supply Voltage: DC8-18v (24V optional) Measurement Accuracy: 0.5% 2 words Measurement Rate: Fast/Standard/Slow Operating Temperature: -10-+50 Working Pressure: 80-106kPa Working Humidity: 10-80% Size: Approx.79 x 43 x 27mm / 3.1 x 0.9 x 1.9in Package List: 1 x Voltage Current Tester 1 x Mutual Inductor 1 x 2PIN2 line 1 x 3PIN2 line 1 x 200A transformer Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List