1. When the product is powered on for the first time, the default is ternary lithium battery 3 series voltage
2. In the normal display state, if there is no operation button within 10 seconds, the product will automatically turn off the display and enter low power consumption, or you can 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 the power .
3. In the setting state, if there is no operation button within 5 seconds, it will automatically return to the normal power display.
4. After setting, press and hold the button for 2 seconds to save the data and return to display the power status (or wait for 5 seconds to return automatically)
5. Short press the button to set the number of battery strings or voltage; for details, please refer to the above table option settings.

Product parameters:
1. Working current: Less than 10mA
2. Display mode: LED indicator light
3. Refresh speed: 500ms/time
4. Appearance size: 46mm x 15mm x 3mm
5. Product model: 4615
6. Product working voltage: DC5V-30V
Notice:
1. Please do not exceed the operating voltage, which will damage the product.
2. The product has two versions of high and low voltage, please choose the electricity meter within the voltage range.
3. Please do not use this product outdoors, it is not waterproof.
Colour:black
Material:plastic

Package Contents:
1 x Battery indicator board