Put on these sunglasses and see what people are doing behind your back.
- Size: 130*33*130 mm
- Weight: 30g
These unique new glasses look and function like regular sunglasses, but they also let you see what's going on behind you!
Very useful when conducting discreet surveillances.
For normal usage look forward: for rear viewing, just turn your eyes to either side. These special glasses also provide UV400 (Ultra Violet Protection) ray protection.