What's in the box:

GL410 3D Glasses for Projector Full HD Active DLP Link for Optama Acer BenQ ViewSonic Sharp Dell DLP Link Projectors (Black)

The 3D glasses will give you comfortable feeling with soft nose pieces and lightweight. It can be compatible with a wide range of DLP-LINK projectors, providing you a lot of choices. You can enjoy the wonderful 3D feast easily for its simple operation.

Features:
Support all DLP-LINK projectors.
The optical communication method, work without the emitter.
Two minutes without signal automatic power off, power saving. Working about 50 hours with full charge.
High transmittance LCD provide perfect 3D experience. Active shutter technology, full HD, and no flicker.
Low power alarm function. Left and right eye switching is possible.

Note: 1.GL410 3D glasses should work with DLP-LINK 3D projectors, then you can enjoy realistic, vivid 3D images. Please confirm your 3D projector support DLP-LINK 3D function.
2. Please read the User Manual carefully before using the 3D glasses.

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)