<p>Advanced Monitoring: This Hall Bluetooth voltage and current meter features a 2.4-inch color screen for clear and accurate readings of your electric car or RV's battery status</p> <p>More Accurate Measurement: With charging overvoltage, discharging undervoltage, charging overcurrent, discharging overcurrent protection, with buzzer alarm prompt function</p> <p>Bluetooth Connectivity: Easily monitor battery performance remotely via Bluetooth, ensuring you always have real-time data at your fingertips</p> <p>Wide Application: This meter is suitable for a variety of electric vehicles and RVs, helping to effectively manage battery capacity and lifespan</p> <p>Reliable Battery Management: Accurately tracks voltage, current, and battery capacity to help prevent overcharging and battery damage</p> <p>Current: 0.02A~100A</p> <p>Voltage: 8V~120V</p> <p>Capacity: 0.1AH~99999AH</p> <p>Power value: 60KW</p> <p>Display mode: 12864 LCD display</p> <p>Wireless communication distance: 10 meters per group in open area</p> <p>Communication baud rate: 9600bps</p> <p>Measurement rate: 20 times\/second</p> <p>Colour: As Shown</p> <p>Material: PVC</p> <p>Package Contents:</p> <p>1 x Coulomb Meter Kit</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>