Featuring better than ±0.01% accuracy over entire range, .196 in. display height, and 6-digit LCD for readings to 99999.9 hr, tamperproof T56 Series mounts on metal surfaces via magnet on back and operates for 8+ years via internal battery. Jumper connector on back can be removed to activate hour meter. After removal, IP67-sealed unit operates only when it is introduced to vibrating equipment. Hour glass icon serves as running indicator, and total operating hours are always shown on LCD.