Manufacturer Name: ViewSonicModel Number: PGD-250
TI DLP Link 3D Ready, TN Type LCD ShutterRechargeable battery design via USB800:1 contrast (typical), 2ms response time (typical)40 feet effective use distance, Emitter free efficient designCompatible with any DLP Link projectors
Product: 6.60"W x 1.70"H x 6.40"LPackaging: 8.20"W x 4.20"H x 2.60"LShipping: 25.20"W x 21.10"H x 9.80"L