Bihui Electric Vacuum Suction Cupis powered by 21V lithium-ion battery and has a digital gauge showing pressure. The smart sensor monitor maintains optimum suction with a double layer pad for smooth surfaces.

•  Powered by 21V lithium-ion battery 
• Digital gauge showing pressure 
• Smart sensor monitor maintains optimum suction 
• Double layer pad for smooth surfaces
• Additional pad specifically for textured items 
• Continuous working - 3 hours