3 set 3D Glasses Active Shutter EyewearWorks with all DLP Link projectors Compatible with Optoma/BenQ/Sharp/Acer/LG/Samsung/Mitsubishi and other series DLP projectors.Can't compatible with Sony Epson and other LCD projectors, not used for TelevisionsAdopts the newest active shutter technology, high definition and no flickering or crosstalk, super fast 144Hz refresh rateBuilt-in rechargeable Battery, continuous working 45 hours after fully charged with USB, standby time 180 days.Auto power off function (within 1 minute of turning off your projector), save energy and stable;Atmospheric Pressure:86kPa-106kPa1.DLP link technology working mode,2.Micro-USB rechargeable 3.7V Lithium Battery,standby time 180 days,3.Continuous working 45 hours,4.Super fast 144Hz refresh rate.5.Low-power design,can charge by USB.6.Compatible with Optoma/BenQ/Sharp/Acer/Samsung/Mitsubishi series DLP projector7.Excellent lenses offer bright and sharp 3D experience;8.Adopt the newest active shutter technology, high definition and no flickering or crosstalk,9.Auto power off function, save energy and stable.Ratio:1000:1+/-200Frequency:96/100/120/144HzWorking Current:Less than 1.2mAWork Hours:45+/-5hrBattery Lifespan:0C-45CStorage Temperature:-10C-60CPower Supply:3.7V 80mAHTransmission:38%+/-2Response Time:2ms+/-0.5msView Angle:150(L/R 75)SYNC Operation:White light DLP.LinkWork Humidity:20%-80%RHcolour:blueMaterial:plasticsize:163x42x170mmPackage Contents:3 x Shutter Eyewear3 x USB Charger CableWarm tip:If you cannot make sure if our glasses can work with your projector, there are 2 ways to confirm it1:The 3D signal receiving window can receive the DLP-Link signal. As soon as you use 96-144Hz DLP-Link 3D projector and connect thru 3D image source,our glasses can work perfect with your projector.2:Or if your projector has the logo of "DLP 3D Ready" below, our glasses also can workOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.