Williams AV Charger for IR RX20 (5-Bay)Use this Williams Sound 5 Bay Charger to charge up to five Williams Sound AV IR RX20 infrared receivers at once, and you'll have fully charged units within six hours. The charger also makes a great place to store all your AV IR RX20 receivers when they are not in use. Furthermore, you can daisy chain three of these units off of one power supply, which comes in handy if you have limited outlet real estate. Specifications Power Supply Input 120 VAC