Product: IR Emitter Cable; Jack: 3.5mm; Total Length: 1.5meters/4.9feet; Detecting Distance:10-18m/33-59ft; Emission Angle: +/- 45° Works with all 38-56kHz IR remote control and devices with an IR input port. Low current drive, low power consumption, long launch distance, small size installed. Applied to infrared forwarding equipment, audio and video transmission equipment, IR remote wireless transceiver, centralized control equipment, etc. Please note that the infrared emitter head is glued to the side of the infrared receiver tube, do not cover it, otherwise the device will not be used, and it will be insensitive to remote control by remote control.