ROCKBROS Electric Suction Cup Car Roof-Top Bicycle Rack Bike Carrier Vacuum Sucker Holder Tool

• Real-time security alerts, automatic air refill for air leaks
• Electro-mechanical extraction of air, the sucker will be firmly attached to the roof of the car
• Low density and high strength of aluminum alloy material
• High strength suction cups with high durability
• Strap to fix the crank position to prevent damage to the roof
• Comes with a portable storage box

Specification:

• Brand: ROCKBROS
• Material: aluminum alloy + rubber suction cup
• Size: about 80.5x11.2x6.5cm
• Battery capacity: 3500mAh
• Input voltage: DC5V
• Rated power: 13W
• Maximum negative pressure: -65KP
• Net weight: about 4.319kg (roof rack only)
• Weight: 3 bikes (maximum 20kg/bike)
• Waterproof: IP65