MATERIAL: This VU meter driver board is made of fiberglass ABS material, the driver board parts are well made and durable.<br> High Precision: Professional manufacturing, exquisite craftsmanship, and high precision help provide the best performance.<br> 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.<br> 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.<br> Replacement parts: When the for original driver board of the VU meter is , the driver board of the VU meter can be replaced instead of replacing the entire meter, which is convenient and quick.<br> and .<br> Product type:VU meter driver board<br> Working voltage:DC AC 12V-18V<br> Backlight power output:200mA (automatically adjusts the output voltage according to the VU meter backlight voltage)<br> Model input:less than equal 5V rms<br> Tungsten lamp backlight voltage:automatically adjust the output voltage according to the VU meter backlight voltage<br> LED backlight voltage:automatically adjust the output voltage according to the VU meter backlight voltage<br> Driver board output current:Less than 50mA<br> Meter calibration function: supported<br> 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.<br> Colour:As Shown<br> Material:ABS<br> Package Contents:<br> 3 x Level meter driver board W/cable<br> Only the above package content, other products are not included.<br> 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.