KM140F WiFi Coulomb Meter 400A Volt-Ammeter Power RV Battery Capacity Tester Monitor for All Batteries

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 may vary 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.