Features 1、Battery Monitor: Compatible with 10‑100V 0‑50A batteries, this battery monitor is suitable for acid, LiFePO, lithium ion, ni hydrogen batteries. Widely used in RVs, cars, electric motorcycles, boats, etc. 2、Multi Function Accuracy Measurement: Battery monitor displays power, voltage, current, remaining capacity, charge and discharge, estimated charge and discharge time, capacity percentage are all displayed clearly on the 1.8 inch screen. 3、BT Monitoring via Smartphone: With a maximum BT distance of 10 meters, download and install the app according to the manual, connect via BT, view all relevant data on the app, and set all functions through the app for this battery monitor. 4、1.8 inch HD Color LCD Screen: Battery monitor features optimized interface with larger, clearer text. Silicone keys for smoothly operation and quick response, providing a comfortable touch. 5、Multiple Installation Methods: Battery monitor can be embedded, multiple bracket installations, package includes handlebar bracket, shunt can be stably installed with the built in bracket. Display screen fixed with tab. (The manual provides detailed installation instructions) Specification Item Type: Smart Battery Monitor Material: ABS, Stainless Steel, Silicone Screen Size: Approx. 1.8 inches / 4.57cm Sampling Method: Shunt Voltage Testing Range: Approx. 10-100V Voltage Resolution: Approx. 0.01V Current Measurement Range: Approx. 0-50A Current Resolution: Approx. 0.001A Capacity Display Range: Approx. 0%-100 percent Power Measurement Range: Approx. 0-5KW Power Resolution: Approx. 0.01W Ah Measurement Range: Approx. 0-9999AH Capacity Resolution: Approx. 0.1AH BT Communicate Distance: Approx. 10m / 32.81ft unobstructed Voltage Accuracy: ±1%+2 digits Current Accuracy: ±2%+0.002A Display Power Consumption: Approx. 0.75W Screen Off Time: 20 seconds auto off during charging; screen on when I≥15ma, off when I<15ma and >20s Package List 1 x Display 1 x Sampler 1 x 3 Meter Cable 1 x 1 Meter Positive Pole Cable 1 x Handlebar Mount Bracket 1 x User Manual