viewsonic pgd-150 active stereographic 3d shutter glasses for viewsonic dlp link 120 hz 3d ready projectors black
the pgd-150 active stereographic 3d shutter glasses open new worlds of immersive learning possibilities . molded in durable plastic these glasses also feature water and dust proof design . long lasting lithium batteries provide for up to 70 hours of usage before replacement . the three different sizes of custom interchangeable nose pieces guarantee a comfortable fit for each user .