Product features:
1. Wear red and green glasses to observe 4 points of light, and use the complementary colors to separate the two eyes.
2. Determine whether there are visual fusion dysfunction in both eyes when monocular inhibition is simultaneous separation.
Specification:
Name: 4-point red and green glasses
Material: ABS
Built-in battery: Lithium-ion battery 1200mAH
packing list:
1 x four lights
1 storage box
1 glasses
1 x battery charger