Overhead crane scale from MSI has 1.2-inch LED and automatic power off/sleep mode setting. It has approximately 100 hours of battery life and uses an Automatic Power Off setting to conserve battery energy by sensing scale inactivity and turning scale off. The Auto Off timer can be set for 12 minutes, one hour or completely disabled. It features an additional battery saving characteristic with the Auto Sleep mode, which dims the display after one minute of inactivity. The scale is powered by a six volt rechargeable battery. It has a weighing capacity of 250 to 15,000 pounds.