Cmple - Premium Hidden IR Control System up to 18 Devices, Remote Control Repeater System Kit IR Emitters Extender [COMPATIBLE] with Most IR Remote Controls. Tested to work with Amplifier, Cable Box, Stereo Receiver, Game Console, Satellite TV receiver, CD/DVD Player, Blu-Ray Player and other streamers as well as most A/V devices. [CONTROLS] Four (4) home theater devices (expandable up to 18) kept behind a closet doors or in a closed cabinet with IR Infrared Remote Control Extender Repeater System. This product allows you to control A/V equipment with your existing IR remote controller. (Additional IR emitters sold separately) [PLUG AND PLAY] Connection without having to install the software, simple and convenient for you to achieve Remote Control. This product allows you to control A/V equipment with your existing IR remote controller. [WARRANTY] Backed with 2 Year Limited Warranty [PACKAGE INCLUDE] 1x IR Connecting Block, 2x Dual IR Emitters (Controls 4 Devices), 1x Dual Band Mini IR Receiver, 1x Power Supply, 2x Mounting Screws and 1x Manual.