Control up to 4 devices with an infrared remote control. Quick and easy programming is done via a web-based database on a PC, laptop, or tablet. A 3.5mm audio cable (30 cm) transmits the data to the remote control. Up to 4 devices can be programmed simultaneously. Suitable for TV, DVD, Blu-ray players, STB, VCR, and audio devices. A constantly updated code database is available. The remote control features a function LED and a total of 48 buttons. Power is supplied by 2x AAA batteries LR03. Consumer note: To program the remote control, you will need a PC, laptop, or tablet with an internet connection.