HIGH QUALITY MATERIAL: This VU meter driver board is made of high quality fiberglass ABS material, the driver board parts are well made and durable. High Precision: Professional manufacturing, exquisite craftsmanship, and high precision help provide the best performance. Stable performance: The VU meter has better effect, the pointer swings quickly, the response is sensitive, and the wide-range voltage stabilizing circuit makes the working performance more stable. High-frequency low-pass: This driver board supports high-frequency low-pass, adjustable backlight and dark, intelligent driver, and the use effect is very good. Replacement parts: When the for original driver board of the VU meter is damaged, the driver board of the VU meter can be replaced instead of replacing the entire meter, which is convenient and quick. Brand new and high quality. Product type:VU meter driver board Working voltage:DC AC 12V-18V Backlight power output:200mA (automatically adjusts the output voltage according to the VU meter backlight voltage) Model input:less than equal 5V rms Tungsten lamp backlight voltage:automatically adjust the output voltage according to the VU meter backlight voltage LED backlight voltage:automatically adjust the output voltage according to the VU meter backlight voltage Driver board output current:Less than 50mA Meter calibration function: supported Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:ABS Package Contents: 1 * Level meter driver board W/cable 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.