It also serves as a battery level indicator. 5. Use the Footswitch to activate/deactivate the effect. 6. Use this 1/4 TS IN connector to plug in the instrument cable. 7. The 1/4 TS OUT connector sends the signal to your amp. Use the DC IN connection to plug in a 9v power supply (not included). The Battery Compartment is located underneath the pedal cover. To install or replace the 9v battery, press the hinges with a pen and remove the pedal cover. This effects pedal has no on/off switch. As soon as you insert the jack into the Input connector, the pedal will turn on. When not in use, remove the jack from the input connector to save the batteries. SPECIFICATIONS Input Connector: 1/4 TS Impedance 500k Output Connector: 1/4 TS Impedance 1k Power Supply: 9V, 100mA DC regulated Power Connector: 2mm DC Jack, Negative Center Battery: 9v Type 6LR61 Power Consumption: 30mA Dimensions: 4.9"D x 2.76"W x 2.12"H Weight approx. 0.33kg (0.73lbs) SAFETY INSTRUCTIONS Do not use near water, or install near heat sources. Use only authorized attachments / accessories. Do not service product yourself. Contact our service department with any questions or to schedule repair service. www.pyleaudio.com...