Feature: 1. Mini guitar delay effect pedal with true bypass. 2. Pure analog circuit delay, clear, plump and smooth new delay effect. 3. 3 control knobs: tone of delay effect, degree of feed back, time of delay effect. 4. With LED indicator showing working status. 5. Aluminum alloy body, durable and sturdy. 6. Mini guitar delay effect pedal with true bypass. Experience true analog delay. 7. Mini Effect Pedal. Pure analog circuit delay, clear, plump and smooth new delay effect. 8. Electric Guitar Effects Pedal with LED indicator showing working status. 9. Delay Effect Pedal. Aluminum alloy body, durable and sturdy. Specification: Features: Mini guitar delay effect pedal with true bypass. Pure analog circuit delay, clear, plump and smooth new delay effect. 3 control knobs: tone of delay effect, degree of feed back, time of delay effect. With LED indicator showing working status. Aluminum alloy body, durable and sturdy. Specifications: Input: 1/4" Monaural Jack Output: 1/4" Monaural Jack Time of Delay: 20ms-620ms Input Impedance: 1M Ohms Output Impedance: 490 Ohms Working Current: 42mA Power Supply: DC 9V (Plug polarity is positive on the barrel and negative in the center) Item Size: 3.8 * 9.5 * 3.5cm / 1.5 * 3.7 * 1.4in Item Weight: 210g / 7.4oz Package Size: 6.3 * 12 * 6.5cm / 2.5 * 4.7 * 2.6in Package Weight: 277g / 9.8oz Package List: 1 * Effect Pedal 1 * User Manual (English & Chinese) Note: Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Package List: 1 * Effect Pedal 1 * User Manual (English & Chinese) Note: Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.