CAS 30-THD Caston III, Heavy Duty Crane Scale, 60000 x20lbs Rechargeable 12V Battery Operated / Spare Battery, Charger and IR Remote Controller Included Rugged Cast Aluminum Case Environmentally Sealed to IP65 Standards (Water Protected) Auto Span Adjustment/Auto Zero Tracking/ Kg-Lbs Switchable On, Off, Zero, Tare and Hold (Manual or Automatic) Functions