Interra IR Emitter is a multifunctional IR signal transmitter. It allows you to manage all infrared electronic devices such as TV, DVD, air conditioner. There are five different modes in total: single mode, repeat mode, sequence mode, climate control, and current sensing. The Interra IR Emitter has a maximum of 150 universal IR codes and 81 AC IR codes. It has 4 spreading interfaces, A, B, C, D. Interra IR Emitter is manufactured in accordance with the EU standard for EMC and electrical safety compliance.