Evolved Dimensions (formerly True Depth 3D) Firestorm LT Lightweight Rechargeable DLP link 3D Glasses for All 3D Projectors (Benq, Optoma, Acer, Vivitek, Dell Etc) and All DLP HD 3D TVs (Mitsubishi, Samsung Etc) Compatible At 96 Hz, 120 Hz and 144 Hz! NO EMITTER REQUIRED: DLP link technology syncs directly with a white (or sometimes red) flash that is emitted from the bulb and reflected onto the screen. The flash is imperceptible to the human eye making these glasses ideal for your home cinema without the need for additional emitters or sync mechanisms WORKS WITH ALL DLP LINK 3D PROJECTORS AND DLP LINK 3DTVS: Nearly every 3D projector today uses DLP link technology making these glasses ideal! Legacy TVs from Samsung and Mitsubishi also use DLP link technology (Samsung manufactured DLP link compatible 3D ready TVs from 2005-2009 or Mitsubishi DLP TVs 2005-2015) IMPROVED SIGNAL RECEIVED TO ELIMINATE SYNC ISSUES: Tired of your glasses constantly going out of sync? We've virtually eliminated this problem with our improved sync receiver! These glasses will sync within 25+ feet of your screen! LIGHTWEIGHT LOW COST: These glasses are easy on the eyes, nose and face and even easier on the wallet! Don't sacrifice quality for cost! These glasses get you the best of both worlds and can be worn for hours without any discomfort! UNMATCHED CUSTOMER SUPPORT: We are a family owned U.S. based company. Unlike the competition, 3D is our passion and our business. We offer unmatched technical and customer support! We insure 100% customer satisfaction We also offer a full 1 year hassle free warranty (we simply replace your glasses if anything goes wrong within 1 year)