Main Features: ● Vivid images, as if characters stand in front of you. ● High speed reaction liquid crystal eyeglass, not easy to be eyestrain. ● Support DLP-link transmission, tamper-proof function. ● No-blink shutter technology, full HD and trace free. ● Automatic turn off and low power self-inspection function. ● Lightweight and easy to carry, leg of glasses could be removed. ● Suitable for 3D projector. Specification: Response Time: 2.0ms Frequency: 120Hz Contrast Ratio: 750 Light Transmittance: more than 37pct Battery: 3V lithium cell CR2025 battery 0.093Package weight: 0.121 kg Product Size(L x W x H): 13.00 x 4.00 x 1.00 cm / 5.12 x 1.57 x 0.39 inches Package Size(L x W x H): 17.00 x 10.50 x 2.50 cm / 6.69 x 4.13 x 0.98 inchesPackage Contents: 1 x Glasses, 1 x Bag, 1 x Bilingual User Manual in English and Chinese, 1 x Cleaning Cloth, 2 x Battery