1、Output: 9V(Max current to 1000mA); Input: ; Compatible with electronic guitar multi‑effect pedal. 2、Tip negative(-) design, 5.5mm x 2.1mm barrel connector. 3、UL listed, over-current/short-circuit protection, reduce noise interference. 4、90cm cable length for ample reach from your devices to wall outlet, and hook‑and‑loop cable tie attached around the cord for portable storage. 5、Compatible with many electric keyboards, digital piano, pedal, amplifier, etc. Features: 2. Tip negative(-) design, 5.5mm x 2.1mm barrel connector. 3. UL listed, over-current/short-circuit protection, reduce noise interference. 4. 90cm cable length for ample reach from your devices to wall outlet,  and hook-and-loop cable tie attached around the cord for portable storage. 5. Compatible with many electric keyboards, digital piano, pedal, amplifier, etc. Specifications: Material: Plastic Color: Black Size: Approx. 8 x 5 x 2cm / 3.1 x 2 x 0.8in, Cable Length: Approx. 90cm / 35.4in Output: 9V(Max current to 1000mA) Barrel connector Size: Approx. 5.5 x 2.1mm / 0.22 x 0.08in Packing List: 1 x Power Adapter Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.