Features* Automatic speed sync and tension control,Website:://.cnbojin.com, without any adjustments.* Wind inside or outside, Large roll capacity* Aluminum take-up spool, Grap handle.* Mounting holes pre-drilled, Outside guide disk standard.* Standard 3″ core rewinding, Inside / Outside / Off switch.* Green lamp power indicator, Self contained.* No maintenance required* The automatic label rewinder can work together with any label printers, when you start to print, it will rewind the label automatically, when the printing is finished, the rewinder will also stop automatically.Specifications* Available Label Width: 10 ~ 150mm* Min. Roll Diameter: 36, 75mm (3″)* Max. Roll Diameter: 230mm* Power Supply: AC110V 60Hz / AC220V 50Hz* Dimensions