You can download the spec sheets for the AVA Flat IR Emitters and IR Adapter here: AVA Infrared Adapter (USB-C to Female 3.5mm), AVA-CO-IRF-UCJA AVA Flat Emitter (USB-C to Emitter), AVA-CO-IRF-UCEM AVA Flat Emitter (3.5mm version for 3rd party control systems), AVA-CO-IRF-JAEM