Brand new projector remote control, no programming, paring or setting is needed. Just take it out of packaging, it will work reliably. Compatible projector models: Optoma BR329 Optoma BR334 Optoma DAEHHZZ+ Optoma DASSSG Optoma DAWSSG Optoma DS347 Optoma DS348 Optoma DX349 Optoma EH331 Optoma EH334 Optoma EH335 Optoma EH336 Optoma EH337 Optoma EH345 Optoma EH400+ Optoma H114 Optoma H116ST Optoma H183X Optoma H184X Optoma S321 Optoma S322e Optoma S331 Optoma S334 Optoma S334e Optoma S341 Optoma S342e Optoma S343 Optoma S343e Optoma W330 Optoma W331 Optoma W334 Optoma W335 Optoma W341 Optoma W355 Optoma W400+ Optoma WU334 Optoma WU335 Optoma WU336 Optoma WU337 Optoma X340 Optoma X341 Optoma X343 Optoma X343e Optoma X400+ 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.