This 660LBS electronic Crane Scale with large LED display is your reliable weighing tool. Ideal, fishermen, farmers, shop owners, heavyduty workers and bow tuning, etc. FeaturesHeavy Duty & Durable – This crane scale is made of Aluminum Alloy Housing and Stainless steel load receptor, thus this long lasting measuring tool may serve you for years.ACCURATE HIGH PRECISION SENSOR – Ensures consistent and accurate measurement up to 660 LBs or 300 KGs with graduation increments of 0.22LBs or 0.1KG.3 weighing Units Exchangeable – Kg, LB and N(newtons), huge 2inches long LCD display with backup light.Unit Setting Memory – Once you first set the units to pounds, the memory keeps it there, so every time you turn the crane scale on it is ready to go.Auto zero setting/power off – Smart Power-saving 3- AA battery with low power consumption design