Bright Blue Backlit LCD Display: Easy to read in low light thanks to a bright blue backlit LCD. This multifunction tester measures the power and energy consumption of any dry cell powered device with accuracy, helping you understand where energy goes and make informed decisions. 12 V Line Voltage and Current Test: Handles higher voltages and currents with ease. Use this capability to predict the flight time of model aircraft and to choose the most efficient motor and propeller setup for your needs. Efficient Power Analyzing Tool: Provides comprehensive measurements: current, voltage, watt, amperehour, watthour, peak amperehour, and peak watt. Evaluate the charging efficiency of RC cells with precision to optimize battery performance and longevity. Portable and User Friendly: Compact size designed for on the go testing. LCD screen offers clear readings, making it suitable for aircraft enthusiasts and DIYers who need reliable power analysis in the field or workshop. Recommended use scenarios: RC aircraft preflight checks: measure a battery pack, estimate flight time, and compare motor/propeller configurations to maximize efficiency. Dry cell powered device testing: monitor power draw and assess charging efficiency to improve battery health and performance. Field and workshop power analysis: carry a compact tester to quickly evaluate current, voltage, and energy consumption on DIY projects or model builds. Key attributes at a glance: Function: multifunction power tester with backlit display Compatibility: suitable for dry cell powered devices and RC cells Size: compact and portable for onthego use Performance: measures current, voltage, watt, amperehour, watthour, and peak values with precision Usability: clear LCD readings and straightforward operation for hobbyists and professionals alike