How to find your IR(Infrared Resource) port:Find a sign of "IR" and that's the port you need to fit.Description:1.Wide angle, strong signal, long distance. Resistant to ambient light effects. Works with all 38-56kHz IR remote control and devices with an IR input port.2.Wide voltage adaptation, low power consumption, high sensitivity, anti-interference characteristics, tiny, elegant stick-on design.3.Widely used in set-top boxes, speakers, LED light bar controllers, driving recorders, products assist in extending the remote control reception.How to use: Plugs directly into the IR IN port on the back of the cable box, set-top box, etc. Stick the infrared emitter head to the side of the IR sensor, do not cover it, otherwise, the remote control will be insensitive.Note: 1.Please confirm whether the set-top box has an infrared interface and confirm the size of the infrared interface.2.Be sure to mount the IR receiver with a straight line-of-sight to your remote.3.The jack of our this cable is 2.5mm, it's only for the 2.5mm IR jack.4.The maximum voltage should not exceed 6V (applicable range: 3.3-5.5V). 4.How to know which size of your IR port:Usually, the port of your cell phone is 3.5mm, so you just could fit the earphone jack to confirm the size of your IR port. If the jack is smaller than your cell phone jack, then the port is 2.5mm, and our cable will fit for your IR extender.Specification:Product Model: CHD18;Carrier Frequency: 38KHZ;Peak Wavelength: 940NM;Total Length:2meters/6.5feetJack:2.5mmReceiving Distance: 8-12m/26-39ftMain Color:BlackMaterial:Plastic,MetalHead Size:25 x 20 x 17mm / 0.98 x 0.79 x 0.67inch (L*W*H)Package Content: 2 x IR Receiver Cable
