Specification:Voltage measurement range: DC 7-55V (red display: DC 7-40V)Working current: ≤ 20mADisplay mode: LED screenMeasurement of ternary lithium iron: 3S~12SMeasurement of lithium iron batteries: 3S~14SAcid battery measurement: 12V/24V/36V/48VProduct size: 46 * 15 * 3mm
Button Description:1. On the normal display page, short press the button to turn off and on the display.2. On the normal display page, press and hold the button for 2 seconds to enter the settings page.
Package include:Battery Indicator * 1