The document provides specifications for two weighing indicator models, the WC420-K401-A+M4001 and WC420-K402-A+M4001. Key specifications include a resolution up to 100,000 divisions with a minimum of 0.25mV/division, zero cancellation of ±2.0mV/V, span adjustment from 0.1mV/V to 3.0mV/V, and support for load cells up to 1,000 ohms. Both models have an LCD display, 12-24VDC standard power input, and support serial communication and additional functions for applications like counting and totalizing. The WC420-K402 additionally supports AC power, battery operation,