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: EH460ST EH465 EH470 W460 W461 WU465 WU470 X460ZH507 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.