Brand new projector remote control, no programming, paring or setting is needed. Just install new batteries (NOT Included), it will work reliably. Compatible projector models: Hitachi CP-WU8600W Hitachi CP-WU8700B Hitachi CP-WU8700W Hitachi CP-WX8650B Hitachi CP-WX8650W Hitachi CP-WX8750B Hitachi CP-WX8750W Hitachi CP-X8800B Hitachi CP-X8800W Notice: Make sure there's no obstacle between the remote control and projector when operating the device. Warranty: Refund available within 30 days, replacement available within 12 months from order date.