Because there are many infrared home appliances in the household, such as set-top boxes, DVD players, remote-controlled fans, air conditioners, and projectors, this device enables centralized and concealed control. Compatible with all infrared remote-controlled devices. Suitable for TVs, set-top boxes, DVD players, DVRs, PVRs, video recorders, satellite receivers, etc. Power supply: USB or 5V input. Operating voltage: 5V. Note: Not compatible with Windows 10. Installation instructions: 1. Use the included double-sided adhesive tape to mount the receiver in an optimal location. 2. Attach the infrared emitter head to the device you wish to control. Color: Black Material: Plastic + metal Dimensions: Transmitting cable length: 2 m / 5 m Receiving cable length: 1.4 m Package contents: 1 x Infrared (IR) Remote Extender Note: Color variations may occur due to lighting conditions and screen settings. Slight dimensional variations of ±1–3 cm may occur.