Key benefits Bright blue backlit LCD display for easy reading in low light conditions. Multifunction tester that accurately measures power and energy consumption of any dry cell powered device. Line 12 V voltage and current test capability to handle higher voltages and currents, enabling precise flight time predictions for model aircraft and informed motor/propeller choices. Efficient power analysis that covers current, voltage, watt, amperehour, watthour, peak amphour, and peak watt for reliable charging and performance assessment of RC cells. Portable and user friendly: compact design for on the go testing, clear digital readings from the LCD display, suitable for aircraft enthusiasts and DIYers. Applications and how it helps RC model aircraft setup and optimization: measure battery discharge, calculate expected flight time, and compare motor and propeller combinations to improve efficiency. Field testing of dry cell powered devices: monitor energy usage in real time and evaluate charging efficiency of RC cells with precision. On the go electronics projects and hobby tinkering: analyze power draw of small circuits and portable devices to inform design decisions and battery choices. What makes it stand out Clear, reliable readings in various lighting conditions thanks to the blue backlit LCD. Comprehensive metrics including peak current and peak power for better understanding of performance limits. Compact, portable form factor designed for convenient field testing and handson experimentation. Specifically suited for aircraft enthusiasts and DIYers who need accurate, onsite power analysis without bulky equipment.