1. High-precision clamp head design, used for AC and DC high current measurement, input current: 100A 2. The two-line display on the screen can display AC voltage, current and frequency at the same time 3. The bottom dual input jack design, all functions are shared, convenient, fast and beautiful 4. The single-sided meter pen storage card position is convenient for operation in any environment, and is highly efficient 5. The back buckle hook design can be hung on belts, trouser pockets, pockets, and can be hung on a lanyard and neck 6. Detection mode One-handed operation voltage detection, zero fire line discrimination 7. V ~alert dangerous voltage alarm 8. AC and DC voltage measurement (600V) 9. Frequency measurement of AC and DC current: 100A 10. Display: 6000 counts 11. Clamp head size: 20 mm 12. Battery: 3 x 1.5 V AA batteries (not included) 13. Dimensions: 179 x 67 x 36 mm Packing list: 1. Clamp meter x 1 2. Cloth cover x 1 3. K-type temperature probe x 1 4. Test lead x 1 pair 5. Manual x 1