Probe slot for convenient storage: when not in use, insert the probe into the slot to keep it safe and ready for next measurement. Compact size and light weight: easy to carry and store without adding bulk to your toolkit. Battery powered: uses one AA battery; simple, accessible, and easy to . Flexible telescopic extension cord: extends measurement distance to suit various environmental measurements. Use scenarios: Electrical maintenance and testing in tight spaces: extend your reach to access hardtoreach panels or behind equipment while keeping the probe securely stored when not in use. Field environmental measurements: the telescopic extension helps you measure at different heights or distances in outdoor or industrial environments. Workshop and lab tasks: lightweight design fits in a tool bag, enabling quick checks around crowded workstations and machinery. Notes: Compatible with standard AA batteries for easy replacement. Designed for portable use in diverse environments requiring flexible probe reach.