Quantity: 1 - Color: Black - Material: Plastic + LCD lenses - 3D cinema: Support: IMAX 3D RealD Cinema MasterImage 3D XpanD 3D and Dolby 3D - 3D projection: Support: 3D projector / DLP projector - Weight: 47g - United States imports thin lenses - Shutter: High-speed light valve LCD - Infrared emission transmission signal - Support for the left and right eye exchange - Light transmittance: 36% - Operating Current: < 5mA - LCD refresh rate: 120Hz - Contrast ratio: 1000:1 - Infrared transmission receiver distance: 8m - Battery Type: Lithium polymer battery - Battery capacity: 150mA - Continuous working time: 35 hours - Standby time: 180 days - Ambient temperature: -10'C~50'C - Response time: 1.0ms - The lens height: 3cm - The lens width: 5.3cm - The frames total length: 16cm - The nose width: 2cm - Packing list: - 1 x 3D glasses - 1 x USB charging cable (65cm) - 1 x Protective cave - 1 x Cleaning cloth - 1 x English and Chinese user manual