Features [AC2000A Ammeter] This AC current meter has a measurement range of ±2000A, making it ideal for high current applications. (External shunt required, not included.) [Clear LED Display] Featuring a 0.56 inch LED display, this AC ammeter offers a clear and easy to read measurement display. [High Accuracy] With excellent stability, high measurement accuracy, strong anti interference ability, this current monitor ensures Reliables and precise results. [Convenient Installation] Designed with standard size, this ammeter is easy to install, making it suitable for various applications and installations. [Enhanced Safety] The power supply of this amp meter adopts polarity PROTECTIONs circuit, providing enhanced safety and PROTECTIONs during Operations. Spec: Item Type: AC Current Meter Material: ABS Working Voltage: +5V±5% Working Current: Display Method: 0.56in LED Overall Size: Approx. 79x43x27mm/3.11x1.69x1.06in Installation Opening: Approx. 76.5x39.2mm/3.01x1.54in Input Impedance: >1MΩ Measurement Rate: ≥2 Times/S Over Range Display: The first digit displays 1 or -1, and the last three digits are not displayed Working Temperature: -10℃ to +50℃ Working Humidity: 10-80% (without condensation) Working Pressure: 80-106kPa Sunshine Exposure: No direct exposure Package List: 1 x AC Current Meter 1 x Cable Notice: Requires additional shunt (not included). Package List 1 x AC Current Meter 1 x Cable