Features:

With synthetic rubber material, it is easy and convenient to use
Stickers on your rear window and gives a much wider view of the road behind you with no blind spots
Enables you to spot children and pets that are below the level of the rear windo
Quality lens provides low distortion and no dazzle or double images
Easily removable - sticks to your window with water - it's that simple!
A wide rear view Fresnel lens is THE sensible option for any vehicle owner - get yours now and increase
Easily applied and removed by using water only.
Easy installation on rear window of your vehicle
No tools required.
Need no adhesive, just use water only
The lens is better working for vertical rear windows

Product material: soft optical grade polyvinyl chloride (PVC)
Product size: 200*250mm
Product thickness: 2.0mm
Product material: PMMA
Light transmittance: > 92%
Focal length: -330mm
Increase the viewing angle: 0-28 degrees on the left and right, 0-18 degrees on the bottom edge

Note that this paragraph can be reused:

Scope of application:
Reversing stickers are suitable for hatchbacks, but not with a rear. The straighter the rear glass is, the better the effect. Off-road vehicles with a spare tire on the outside of the rear and the upper edge of the spare tire beyond the bottom line of the rear window are not suitable for using reversing stickers because the spare tire blocks the effective sight.

What is wide angle rear window fresnel lens?
A clear wide-angle rear window fresnel lens is a thin flexible negative fresnel lens which adheres instantly with water to the rear window of your vehicle to provides driver a increased angle of full view. The lens enable you to actually see many objects under the rear window you can't not see through inside and outside rear view mirrors.
Use the rear window fresnel lens, you can avoid accidents due to the children, pets and other low-lying objects in blind spot behind your vehicle while backing up. The lens can also be applied on a side window for larger vehicles to aviod squeeze accidents.

How to install?
Apply the quality lens to the inside of the rear window near the botton edge.
Make sure window is clean, then wet it with wate
Apply smooth side of lens on the inside of window
Remove air bubbles from the lens
Hold firmly in place for a few seconds.
The lens will turn crystal clear until be peeled off.

Please Note:
Due to hand measure, the size may have 1-4 cm error
Due to Different Monitor, the color may have difference

Package Included:
1 x Fresnel Lens Car Parking Reversing Sticker