More powerful this upgraded version of HELPER Universal AC Adapter FULL PROTECTION from over voltage / over current / short circuit / over temperature. No batteries required, this universal adapter Replaces a box full of batteries. Save your space and the adapter can replace a lot of adapters! NEW CORD, copper cable core, 5.5 × 2.1 mm rotating fork fixed on the cord + magnetic ring to reduce noise pollution. More selections. This HELPER adapter includes 8 DC tips compatible with most Polular AC/DC products, such as pedals, effects, wireless receivers, printers, game consoles, security products, routers, digital products, light strips charger cords, GPS, Android Box, Bosch Cordless Stapler - PTK 3.6 LI, hunting camera, speakers, small household electronics from 3V to 12V, etc. If you have a lot of small electronic devices at home. This charger is an ideal one for you. It is multiple voltage that you can select required voltage freely. Voltage range: 3v 4.5v 5v 6v 7.5v 9v 12v. Suitable