Pro Grabo Power Suction Cup - With Gauge and Case

World's First Battery Powered Hand Held Suction Cup Grabs a hold of rough, porous and wet surfaces too! Works on Tile and Floor, Windows and Doors, Carpenters and Wood Working, Movers, Fabricators, and even NASA 2 Hours Operation 3 Hours Fully Recharge Technical Spesifications Battery Voltage 16V Li-ion Battery Cell Specification 2.2 Ah Rated Power 16W Dimensions 297 x 181 x 115mm(11.7 x 7.1 x 4.5 inches) Net weight (with battery) 1.5kg (3.3lbs) Working temperature -5°C – 60°C (23°F – 140°F) Working time (full charge) 1.5 hours Lifting force under different conditions Max Lifting ForceThis table provides a rough estimation of the max perpendicular adhesion force and max parallel adhesion force on different materials. These values may vary depending on material and surface conditions. Perpendicular Hold Parallel Hold P/P Ratio Glass 170kg (375lbs) 120kg (265lbs) 0.7 Metal 110kg (242lbs 110kg (242lbs) 1 Plastic 100kg (220lbs) 100kg (220lbs) 1 Wood 100kg (2