RF Secondary Transmitter, 110VAC

RF Secondary Transmitter, Wall or Ceiling Mount, Shape Rectangle, Case Material Metal, Case Color Black, Connector Type Wireless, Voltage 110VAC, Frequency 915 Mhz, Width 6-1/2 In., Depth 1-1/2 In., Height 5 In.Features Micro-Processor Based, 128 Channel, Battery Backup, 5 In. Boxtop Antenna, For Use With Up/Down Digital Clocks, Includes 5 In. Box Top Antenna, Power, Manual