... inflator:Pure copper clock mechanism,metalhousing , precisely gas-pressure meter, 30mm(diameter) metal cylinder stator,metal handle,pure copper air ... anti-shock pad,pure aluminum cylinder cover,80cm air rubber pipe,2.8m pure copper wire,a ... add in foam protective box)2. With 3 air faucets3.Voltage:DC12V,current:not beyond 15A,Power: ... rest after working 10mins continuously. Metal car tire inflator JS107A