GenuineLogitech Replacement USB Receiver for WirelessPresenter R400&R800

Please NOTE / Warning: This is model C-U0014. This does not work with R400 requiring receiver model C-U0005! Brand New Original Logitech Replacement Receiver for Logitech Wireless Presenter R400 and R800. Important NOTE: USB receiver needs to be paired with the Presenter before using. Insert shows pairing instruction. Pairing instructions are also widely available in the internet. Compatible with Logitech Wireless Presenter R800 and R400.