Features 1、Remote WiFi Battery Meter with 2 Way Testing: Say goodbye to traditional monitoring methods! Our WiFi battery meter supports real time remote monitoring via APP, WiFi, and BT connections. Stay in control of your battery status anytime, anywhere, whether for outdoor adventures, home electricity use, or any other scenario. 2、2.4 inch HD Color LCD Screen: Optimized interface with larger, clearer text. Silicone keypad ensures smoothly appearance and quick response, adding a comfortable touch. Dark mode and light mode options guarantee clear visibility of display content. 3、Real Time Display, Accurate Measurement: The voltmeter is versatile that measures voltage, current, power, charging, discharge capacity, watt hours, time, and more. Set parameters for overvoltage safety, undervoltage safety, overcurrent safety, overpower safety, overtemperature safety, timed safety, and more. 4、Built in Buzzer and Power Failure Storage: Once low capacity or low voltage alarm settings are triggered, the buzzer sounds and a popup reminder alerts you immediately to help avoid accidents. Choose us for safety within arrive! 5、Universal Compatibility for Multiple Batteries: Compatible with various battery types such as lithium iron, li ion, ni hydrogen, and others within a measuring range of 10-100V. Suitable for all your battery needs! Specification Item Type: Wifi Battery Meter Material: ABS, Brass, Silicone Screen Size: 2.4 inches Sampling Method: Shunt Voltage Testing Range: 10-100V Current Testing Range: 0-600A Current Resolution: 0.01A Capacity Display Range: 0-100 percent Power Testing Range: 0-60KW Power Resolution: 0.0001W Ah Testing Range: 0-9999.9Ah Capacity Resolution: 0.001Ah BT Connection Distance: Approx. 10 meters / 32.81 feet Wifi Connection Distance: Approx. 10 meters / 32.81 feet Remote Connection Range: Global Voltage Accuracy: ±5%+0.02V Current Accuracy: ±2+0.01A Sampling Rate: 5 times/second Display Power Consumption: 0.9W Screen Off Time: 10S, 20S, 30S, 40S, 50S, 60S, AUTO (When discharge, bright screen when I≥30mA, off screen when I＜30mA and time＞20s) Package List 1 x Display 1 x Sampler 1 x 1m Red Positive Wire 1 x 5m Communication Cable 1 x Manual