OMNIHIL AC/DC Power Adapter Compatible with Diamondback Fitness Bikes Elliptical Models: 500SR, 500UB, 500ER, 600EL, 600R, 600U, 800U, 800R 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