Battery eliminator for interphone Draw the power from the vehicle (12V-24V) DC power supply Rugged housing for extra strength and durability Overvoltage overcurrent protection function Suitable for hanheld radio:ICOM IC-F12N, IC-F12SN, IC-F21, IC-F21S, IC-F22 N/W, IC-F22 N/W (Low Band), IC-F22S N/W, IC-F22S N/W*20, IC-F22SR, IC-F3GT, IC-F4GT, ICT3H, IC-V8, IC-V82, IC-U82