Затвора 3D стекла для кино / aktiven затвора 3D-Бри

1)aktiven Shutter 3D-Brille kino Features l Artistic design with elegance appearance l Lightweight with less than 60g l High transmittance with the best 3D experience l 200 hours long viewing life with a single CR2032 lithium battery l Humanized design with replaceable nose pad for adult & children alternatively l Anti-theft for efficient management l Extended viewing range allows you to enjoy 3D in any places in home or theater l Compatible with XpanD 3D system 2) Electronic parameter l LCD refresh rate: 144Hz l Power supply: CR2032 lithium battery l Working current: 0.7Ma l Standby current: 5Ua l Ratio: 1000:1 l Sync operation: IR l Transmittance: 40%±2% l Battery lifespan: 200 hours l Working temp: 0°C 40°C