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: BR431 DH1012 EH341 HD29HLVHD39HDR HE35 W316ST W316ST-SA W351 W402 X316ST X351 X402 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.