<ul><li>This is replacement Remote Control Fit for Viewsonic ViewBoard IFP105S IFP7550-5 IFP6570 IFP8670 IFP8633 IFP7533 IFP5550-5 IFP6550-5 IFP50-3 IFP6533</li><li>LFP70/LFP50/LFP50-5/LFP50-3/LFP50-2:LFP6570 LFP8670 LFP5550 LFP6550 LFP7550 LFP8650 LFP5550-5 LFP6550-5 LFP7550-5 LFP8650-5 LFP5550-5A LFP7550-5A LFP8650-5A LFP6550-5A VS17583 VS17342 VS17435 VS16988 LFP5550-2 LFP6550-2 LFP7550-2 LFP8650-2</li><li>This remote have been tested before shipping out.</li><li>This is a infrared remote controller.No programming or pairing needed, just install new alkaline batteries can work.</li><li>Package Content: 1PCS Remote Control</li></ul> PERFASCIN Replace Remote Control Fit for Viewsonic ViewBoard IFP105S IFP7550-5 IFP6570 IFP8670 IFP8633 IFP7533 IFP5550-5 IFP6550-5 IFP50-3 IFP6533 No programming or pairing needed Just install new batteries to get it work! If you have any questions, please feel free to contact us.