Color: Silver Product Description Parameter: Material: stainless steel Main color: silver Model: JB-S2372-A Finish: brushed finish Recommended maximum load ; e: 5 kg Suction cup base diameter: 65 mm Package weight: 0.22kg Installation method: suction cup Packaged Included: Waterproof suction cup hook bracket * 2 Installation Instructions * 1 Installation steps: 1. Make sure the surface you applied to the surface. aspiration & agrave; is clean and smooth. 2. Hold the PVC base, turn the stainless steel cap knob counterclockwise until it stops. that it cannot be rotated, make sure that the suction cup is in the condition. 3. Remove the protective plastic film. Make sure & agrave; that the PVC base is dry and clean. Place it perpendicularly & agrave; suction cup and press firmly & agrave; the exhaust air. 4. On the one hand to hold the center of the suction cup cap, on the other hand tighten the thumbwheel in a clockwise manner until it stops. what totally waterproof to guarantee the