Works with all Link projectors Compatible with //Sharp//LG// and other series projectors Can't compatible with and other LCD projectors, not used for Televisions Adopts the newest active shutter technology, high definition and no flickering or crosstalk, super fast 144Hz refresh rate Built-in rechargeable Battery, continuous working 45 hours after fully with USB, standby time 180 Auto power off function (within 1 minute of turning off your projector), save energy and stable 1. link technology working mode,2.-USB rechargeable 3.7V Lithium Battery,standby time 180 , 3.Continuous working 45 hours,4.Super fast 144Hz refresh rate. 5.Low-power design,can charge by USB.6.Compatible with //Sharp/// series projector 7.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+/-200 Frequency:96/100/120/144Hz Working Current:Less than 1.2mA Work Hours:45+/-5hr Battery Lifespan:0C-45C Storage Temperature:-10C-60C Power Supply:3.7V 80mAH Transmission:38%+/-2 Response Time:2ms+/-0.5ms View Angle:150(L/R 75) SYNC Operation:White light .Link Work Humidity:20%-80%RH Atmospheric Pressure:86kPa-106kPa colour:blue Material:plastic size:163*42*170mm Package Contents: 2*Active Shutter Eyewear 2*USB Charger Cable Warm tip: If you cannot make if our glasses can work with your projector, there are 2 ways to confirm it 1:The 3D signal receiving window can receive the -Link signal. As soon as you use 96-144Hz -Link 3D projector and connect thru 3D image source,our glas can work perfect with your projector. 2:Or if your projector has the logo of " 3D Ready" , our glasses also can work Only the above package content, other products are not included. Note: Light 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.