The 3D glasses offer a comfortable experience with soft nose pads and a lightweight design. It is compatible with a broad range of DLP-LINK projectors, giving you plenty of options to choose from. You can easily enjoy an amazing 3D visual feast thanks to its user-friendly operation. Features: Compatibility: Works with all DLP-LINK projectors. Optical Communication: Functions without the need for an emitter. Energy Saving: Automatically powers off after two minutes without signal, conserving power. It can operate for approximately 50 hours on a full charge. High Transmittance LCD: Provides an optimal 3D viewing experience. Equipped with active shutter technology for full HD and flicker-free visuals. Low Power Alarm: Allows for left and right eye switching. Notes: The GL410 3D glasses are designed to work with DLP-LINK 3D projectors, enabling you to enjoy realistic and vivid 3D images. Please ensure your 3D projector supports the DLP-LINK 3D functionality. Please thoroughly read the User Manual before using the 3D glasses to ensure proper operation and safety. Specifications: Model Number: GL410 3D Glasses Type: Active shutter glasses Synchronous: DLP-LINK Display Compatibility: DLP-LINK 3D projector Frequency: 120Hz Response Time: 2.0 ± 0.5ms Contrast: 1000 : 1 ± 200 Transmission: 38% ± 2% Battery Type: 3.7V/90mAh rechargeable lithium-ion Battery Life: about 50 hours Charge Time: 2-3 hours Dimension: 68 * 58 * 43mm Net Weight: 46.1g / 1.62oz Environment Temperature: 0 °C - 50 °C Relative Humidity: 20% - 80% RH Atmospheric Pressure: 86 kPa - 106 kPa Color: Black Package Size: 20.7 * 6.9 * 6.1cm/ 8.15 * 2.72 * 2.40in Package Weight: 140.3g / 4.94oz Package List: 1 * GL410 3D glasses 2 * Nose pieces 1 * USB charging cable 1 * Cleaning Cloth 1 * Glasses Bag 1 * User Manual (Chinese & English)