Features: VU meter for head with warm color backlight, easy to read. The level swings adjustable, can be for different types of table header. The design of bridge pile rectifier filter circuit, can be a transformer or for DC power supply. Can be connected to the amplifier input or audio amplifier output, without changing original circuitry. Made of high quality plastic material, durable, sturdy & long for time service. Specifications: Material: Plastic Size: approx 3.5x3.5cm/1.4x1.4in Note: Please allow 1-3cm error due to manual measurement. pls 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. Package includes: 1x VU Meter