IR emitters are both 5 and 12 volt compatible. Use the IR emitters over the IR sensors on video products like VCRs, DVDs and music systems to control their functions with IR commands. The Emitters are used with other 2100 series products for whole-house IR control.
2171: single IR pass head - 5' cord with mono mini plug
W 0.3" x H 0.5" x D 2.0"