Small size, easy to hide Easy installation and use Remote control ext s (sometimes called extension ext s or simply infrared IR) allow you to extend the range of your infrared remote controls so that you can control equipment that is out of sight Applies to all remote control devices How to install: 1. Use the double-sided adhesive to stick the receiver in a convenient location 2. Stick the infrared emitter head to the device you want to control Power source: Home appliance USB or 5V power supply Material: Cable + Plastic Color: Black Cable length from USB to receiver: Approx. 137 cm / 53.94 inches Cable length from receiver to emitter: Approx. 198 cm / 77.95 inches Note: Size is measured manually; there may be a 0 to 2 cm error, which is considered normal. Due to differences between monitors, the picture may not reflect the actual color of the item. Package included: 1 x IR Infrared Remote Control Receiver Ext 1 x Adhesive Sticker