Factory Mutual Approved for all classes, Divisions and Groups. Compact, self powered. Use with any scale base or strain gauge load cell. Safe area battery recharge. Battery provides 100 hours of use under continuous operation, or much longer if used in the Sleep Mode. The battery pack is external and easy to remove to the safe area for recharge. Keeping a spare battery on charge at all times will insure uninterrupted weighing. Popular features include digital averaging, auto zero tracking, auto sleep mode and motion detection. NEMA 4X stainless steel enclosure. NTEP 89-051A1 III/IIIL 3,000 div