3-Series Ternary LED Voltage Level Indicator Meter New Electronic Components for Displaying Lithium Iron Phosphate Lead-Acid

Products Description Features:：The first time the product is powered on, the default is ternary lithium battery 3 strings of voltage：In the normal display state, if there is no operation button for 10 seconds, the product will automatically turn off the display and enter low power consumption. You can also manually short press the button to turn off the display and enter low power consumption; when the product is in the off state, short press the button to turn on and display