Voltage and compatibility: Input: 100-240V; Output: 9V (maximum current up to 850mA); Compatible with electronic guitar multi-pedal effect; Replaces part of PSA-120S. Connection: negative (-) terminal connector; Barrel connector 5.5mm x 2.1mm. Safe and stable: surge protection and short circuit protection; Indistinguishable noise interference. Extended Cord: 6.6 ft (2m) cord length to give you plenty of room to set up; Zip tie with hook and loop attached around the string for collection and storage. Wide Application: Compatible with Vox Stomplab, JOYO, KLIQ, Wah pedals, Behringer music devices; It also works with the Danelectro electric guitar miniamp and fits keyboards with negative tips. (check compatible models)Specification: Material: Plastic + Components Weight: approx.100g Color: Black Voltage: 9V Input: 100-240V Output: 9V, 850mA Extended Wire: 6.6ft (2M) Connector Polarity: Negative End Type Optional: AU/Europe/US/UK Standard Connector Size: approx.2.1x5.5mm/0.08x0.21in Package Package: 1Pc Package Included: 1pc x 9V 850mA Power Note: Please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!