Welcome to our store! 1、USED FOR EFFECT: Specifically designed for effect pedals (or suitable power supply unit), use a mobile phone charger or power bank as the effect pedal's power supply. 2、GOOD PERFORMANCE: Can be easily installed on effect pedals or other equipment, providing stable, clean voltage and taking up very little space. 3、NOISE REDUCTION: Uses a special noise reduction circuit, which filters out higher ripple noise in the adapter or power bank, with less interference. 4、GOOD PROTECTION: With reverse polarity, overload, high and low voltage, and short circuit protection, input and output voltage is DC 9V, safe in operation. 5、WITH LED INDICATOR: When a fault occurs, the LED indicator automatically turns off and the internal protection circuit is activated. Item Type: Power Noise Reducer Material: ABS + Electronic Components Color: Black Input Voltage: DC9V Output Voltage: DC9V Output Current: 800MA Idle Current: 70MA 1 x Power Noise Reducer 1 x USB to DC Cable 1 x User Manual 100% Satisfaction - Our customers are our priority. If you find any problems with the products after receiving the item, such as damage and incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service