The Lectrosonics DCR12/A5U - 12 VDC Power Supply is compatible with virtually all household AC power in use around the world and converts the AC power to 12 VDC. The power supply features a LZR threaded locking plug and is intended for use with Lectrosonics IFBT4, IFBT4-VHF and IFBT4/E01 transmitters. The included interchangeable blade/posts allow for use in Europe, UK, Australia, and the USA.