Feature: The LED monitor real-time power status PCB ultra-hardness FR-4 fiberglass board Can be a single / dual-channel input and mono output With a full-range signal to adjust the volume potentiometer, very convenient to 2.1 Dual-panel design, and strive to simple signal transmission, signal to noise ratio is very high.
Specifications: Input voltage:DC10-24V Frequency adjustment range:22Hz-300Hz Size:8.2x4.5cm/3.23x1.77inch Note: Please allow 1-3mm 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. Thank you!