Hanvex HDCA20W 20 ft 1.3mm x 3.5mm DC Power Adapter Extension Cable, 20AWG, White Hanvex 1.3mm x 3.5mm DC Power Extension Cord, Male to Female Cable Specs - 20ft, 20AWG, UL 2464 (UL component) Connectors - Female: 1.3mm x 3.5mm jack. Male: 1.3mm x 3.5mm plug. For DC power - Recommended up to 36 volt, max load 3 amp or less For any applications that requires DC input and accept 1.3mm x 3.5mm plug only (Does not work with other size)