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: BR300, BR305, BR531, DAESUUL, DAEXUUL, DAEXUUU, DAWHZG, DAXHZG, DS339, DW339, DX339, EH501, ES556, EW556, EX555, EX556, TW556-3D, TW635-3D, TX635-3D, W304M, W306ST, W401, W501, X304M, X306ST, X401, X501, ZW210ST, ZW212ST, ZX210ST, ZX212ST 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.