Remote Real-Time Monitoring: Embrace the with our WiFi-enabled Coulomb Meter, allowing you to monitor battery status from anywhere. Perfect for outdoor adventures, home use, and more, ensuring you're never caught off guard by power shortages Universal Compatibility: Whether it's a lead-acid, ternary lithium, or lithium iron phosphate battery, our device is compatible as long as it falls within the voltage range. It automatically identifies and monitors currents in both charging and discharging modes, displaying net values for simultaneous activities Enhanced Safety Features: Equipped with a built-in buzzer for intelligent monitoring, it alerts you with a sound and popup reminder when low capacity or voltage is detected, enhancing safety and reliability Advanced Mobile App: Control and monitor with ease using our redesigned app interface, offering dynamic charging effects and comprehensive data display. Configure settings and analyze data through a user-friendly platform Reliable Performance: Built-in storage chip prevents data loss during power outages, and a screen inversion function ensures visibility in bright conditions. Choose from various models to suit your specific testing needs Sampling method: shunt Voltage measurement range: 10-100V Voltage resolution: 0.01V Current measurement range: 0-400A Current resolution: 0.01A Capacity display range 0%-100% Power measurement range: 0-40KW Power resolution 0.0001w Amp-hour measurement rangeo-9999.9Ah Capacity resolution 0. 001Ah Bluetooth connection distance: up to 10 meters without obstacles WiFi connection distance: up to 10 meters without obstacles The product appearance and printed words depending on the batch, but this does not affect use Colour:As Shown Material:ABS Package Contents:1 x Monitor 1 x Communication Cable 1 x Sampler 1 x Red Positive Wire 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.