<b>Specifications:</b> <p></p> 3D Glasses Type: Active shutter glasses <br /> Synchronous: DLP-Link <br /> Display Compatibility: DLP-Link 3D Projector <br /> Frequency: 96-144Hz <br /> Response Time: 2.0ms <br /> Contrast: 750 <br /> Transmission: ≥37% <br /> Battery Type: CR2025 Button Cell Battery <br /> Continuously working time: About 100 hours <br /> Environment Temperature: 0 °C - 40 °C <br /> Relative Humidity: 20% - 80%RH <br /> Atmospheric Pressure: 86 kPa - 106 kPa <br /> Dimension: 145*40*147cm <p></p> <b>Contains:</b> <p></p> 4x 3D Active Glasses for Projector <br /> 4x Detachable Glasses Earhook <br /> 8x Button Cell Battery <br /> 4x Cleaning Cloth <br /> 4x Soft Pouch <br /> User Manual