MSI Porta-Weigh Crane Scale Features: Crane Unit with 1" Backlight LCD Display, Top Lifting Eye or Shackle, Bottom Thrust Bearing Swivel Hook, 12 Volt Rechargeable Battery and 115 VAC Universal Battery Charger, Low Battery Indicator, Operating Time LCD: 50 Hrs Between Charges, NEMA 4 Alodined Cast Aluminum Enclosure, 200% Safe Overload Protection. Height Dimensions 500lb-2000lb (18.3"), 5000lb - 10,000lb (20.5"), 20,000lb (28.5"), 30,000lb (30"), 50,000lb (41"), 70,000lb (43.2"), 100,000lb (51.6").