UpBright AC/DC Adapter Sentry H0800 HO800 Wireless Transmitter Cradle (Note: This adapter is ONLY Sentry Transmitter. Not Fit Sentry Wireless Headphones.) World Wide Input Voltage 100-240VAC 50/60Hz OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright NEW AC / DC Adapter For Sentry H0800 HO800 Wireless Transmitter Cradle Power Supply Cord Cable Wall Charger Mains PSU (Note: This adapter is ONLY for Sentry Transmitter. Not Fit Sentry Wireless Headphones. Please Check For Compatibility With Your Unit. Thanks.)