Describe the product sizes, including different SKUs differentKey Features: * Designed for measuring weight under 300kg * Certified quality system * SMT technology, quality integrated * 3 weighing modes: Kg, LB and N for multiple uses * Circuit and dedicated weighing load cell, ensures long time stability * 23mm large LCD display with backup light for convenient use * Stainless steel load receptor and aluminum alloy casting case for better safety * Auto power off