With the function of detecting vacuum value, the electric suction cup will automatically maintain optimal adsorption power by detecting and adjusting to the vacuum level.
Hold on 50kgs each
Last for one year
Notification buzzer warning while low battery
AA*2 ALKLINE Battery
Press the switch for three seconds to start and shut down.
If there is a vacuum leakage to -400mm Hg,the vacuum value will be detected and automatically replenished to -600mm Hg.
When Low battery,it will show the flashing red light and buzzer warning.
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