OMNIHIL Power Adapter Compatible with Casio LK 30 LK 33 LK 40 LK 42 LK 43 Keyboard Switching 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