Easy to read: product, excellent quality. Features a digital LCD display for easy reading. Confirms battery charger compatibility. Wide operating voltage range. More efficient than any LED display. Main application: This is a power meter with a power connector, primarily used for remote-controlled model airplanes. High performance: The power meter has a current rating of up to 200A. Prevents current damage to the battery, motor controller, motor, wiring, and connectors. Applications: In addition to measuring battery charge, this instrument can also measure changes in the power supply of the charging system. Dimensions: 85 x 42 x 25mm. Weight: . 100g. Color: As Shown Material: ABS Package Contents: 1 Meter (Different batches may have different printed text, but this does not affect the use of the product.) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.