Welcome to our store! 1. Separate wiring terminals allow for independent wiring with no mutual interference. 2. Measures AC current and displays measurement data via LCD with a large, clear font. 3. A control button at the bottom allows manual switching of the white backlight on or off. 4. Nut-type installation ensures simple, convenient, and firmer installation without damaging the meter. 5. Suitable for high and low power distribution, household appliance testing, solar power systems, LED systems, mounting rack testing, assembly line testing, automotive electronics, etc. Shipping: 100% brand new. Item Type: AC Digital Ammeter. Material: ABS. Top Diameter: Approx. 64.5 mm/2.5 inches. Base Diameter: Approx. 58.5 mm/2.3 inches. Product Height: Approx. 40.5 mm/1.6 inches. Function: Measures AC current and displays via LCD. Display: High-End VA LCD Screen + White Backlight. Working Voltage: AC 30-500V. Current Measurement Range: 0.1-100A (external CT). Display Format: <10A Display as: 9.99A <100A Display as: 99.9A ≥100A Display as: 100A. Accuracy: ±1%. Package Includes: 1 x Round Digital Ammeter. 1 x CT. 1 x Instruction.