OMNIHIL AC/DC Power Adapter Compatible with Nautilus R514, R514c, R616, R614, U514, U614, U616 Exercise Bike & E514, E514C, E614, Elliptical Cable PS Adapter Rating: World Wide 100V ~ 240V 50/60Hz All products are tested to exceed/meet standard specification OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) FREE RETURN SHIPPING / 5 YEAR FREE WARRANTY