The reinforced solid screw rod and high-strength steel body, makes it strong and durable. It’s also anti-rust and wear resistant because of the whole anti-oxidation painting body.
It’s energy saving due to the 12 V DC low power motor. Battery clips with 12 V DC could be used to connect battery if car cigarette lighter is inoperative.
The quadrilateral base and cross groove saddle makes it stable and reliable. And it’s totally water-proof so you can use it even on rainy day.