The NEW BREAKTHROUGH SainSonic SSZ-200DLW 3D Active Rechargeable Shutter Glasses for DLP-Link Projector is a device that enables you to view 3D images. High transmittance ensures the best 3D experience with true colors. The image sources that attach the projector through PC/laptop/TV/media player SHOULD BE 3D type. The 3D signal receiving window can receive the DLP-Link signal. As long as you use 120Hz DLP-Link 3D projector and connect thru 3D image source, the glasses will work perfectly. Compatible List: According to our customers" feedback, we obtained a compatible list as below. We would highly appreciate if you would like to share your model with us. ViewSonic PJD 5134 Acer H6510BD Acer H5360 Optoma HD33 Optoma GT750E Mitsubishi WD73642 Specification: 3D Glasses type Active shutter 3D glasses Field Rate:120Hz Contrast Ratio:1000:1 Shutters: Liquid Crystal Battery:3. 7V LI-Con Receiving Timing:10M =32feet (max. ) Work time:50H(after once charging) Sleep Mode:180 Days Charge Time:2. 5 H Recommend Usable Range: more than 6ft,less than 24ft. Net Weight: 45g Color: White Package Contain: 1 x 3D glasses 1 x Carrying pouch 1 x Cleaning cloth 1 x USB charging cable 1 x User manual in English 1 x Nose pads