Electric Tensioner for Tile Porcelain Glass Installation Seam Setter Vacuum Seamless Joining Leveling Suction Cup Free Shipping

1) Suction cup diameter: 220mm

2) Max loading : 280kg

3) Battery: 2000mAh,3.7V 

4) Operating time on a full charge: 8 hours

5) Suitable for smooth, matte, and glass surfaces!

6) It can start automatically when the vacuum level drops below the safe range.