The motion picture industrial certificated light-weight and stylish 3D glasses equipped with antitheft security tag. They are used with Long Range IR Emitter and 3D Sync Distribution Module to view vivid and realistic 3D movie in digital cinema, presenting viewers with shocking 3D scene more real to life. The stylish 3D glasses are lightweight and comfortable to wear, Energy efficient and automatic ON/OF design help the glasses to support 350 hours operating continuously---enjoy hundreds of 3D blockbuster without change battery! Specification Weight (contain battery) : 50g Shutters: Light-speed LCD shutter Power management: Auto ON/OFF Field rate: 144HZ (96HZ, 120HZ compatible) Contrast ratio: 1000:1 Transmittance: 38+/-2% Sync operation: 940nm IR Operation temperature: 0°C-40°C Storage temperature: -10°C-75°C Power supply: one pieces CR2032 cell battery Battery life: 350hours continuously working Antitheft: yes, 58KHZ security tag installed Comfort: spring load earpieces Product Feature: 1) Excellent color accuracy& high contrast bring you optimal 3D viewing experience; 2) High-tech light-speed LCD shutter technology; 3) Stylish appearance 4) Intelligent synchronization 5) Anti-interference IR Communication 6) Antitheft 7) Lightweight & comfortable 8) Energy efficient 9) Auto ON/OFF 10) Auto low power detection 11) Replaceable battery