Đồng hồ đo tần số vôn kế kỹ thuật số có đèn LED chất lượng

Features: New appearance industrial designs. Range: AC50-500V AC1-120A. Hole size: approx 68x68mm/2.7x2.7-inch. Display voltage, current & frequency at the same time-. Small size is easy to carry and use. Specifications: Material: plastics Size: approx 7.2x7.2x3.2cm/3x3x1.3-inch Package Includes: 1xVoltmeter Ammeter note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.