530*530mm:
Overall Size: 530*530mm
Cut-out Size:  500*500mm

630*630mm:
Overall Size: 630*630mm
Cut-out Size:  600*600mm

Product function description:
NOTE:
Installation Manual Is NOT Included 
Professional Installation Is Highly Recommended

Description:
Function: Open, close, ventilate, insulate, provide privacy, allow sunlight, prevent insects, and good water seal. It can act as an emergency exit, when the screen and blind are unlocked and window open.

Features:
1.Heavy-duty Anodized Aluminum Square Hatch Frame for Corrosion Resistance

2.Outer frame and inner frame are assembled separately

3.The inner frame is equipped with concealed pleated gauze and sun shade, which has anti-mosquito and sun-shading functions

4.The glass of the window can be pushed to three different positions, which is convenient to choose the corresponding opening angle according to different weather

Specifications:
Type: Top-Hung window, side window
Main Material: Aluminum outer frame，ABS inner frame，
Double glazing anti-UV acrylic glass
Color (Outer frame & Inner frame): White
Glass Color: Smoke
Maximum Opening Angle: 70 degree
Fit thickness: 25-35mm
Standard Thickness: 25-35mm
Glass Thickness: 6mm
Manual measurement, there is a certain error

Application:
Caravan, trailer,modified vehicle, special ,yacht, ship vehicle etc

Package includes:
1*Outer frame 
1*Inner frame