Two-Line Digital Display DC Voltmeter Lead-Acid Lithium Battery Charge Meter, Color: Blue 1. Temperature-added style: You can switch the display temperature by pressing the button. When the temperature is displayed, only the power and temperature can be displayed, but the voltage cannot be displayed. 2. Color LCD, clear display, accurate measurement 3. Customize to meet the needs of various battery parameters 4. The battery voltage can be set, and the battery voltage can be measured in a wide range 5. Independent wiring, simple wiring 6. Power on the LCD display to work, you can switch the parameters displayed on the screen you need 7. Backlight control, the backlight can be turned on or off by the switch key 8. Embedded installation, flexible and not easy to break 9. Panel analysis, allowing you to receive products, easy to operate 10. When the battery low voltage alarm: the battery frame flashes 11. External precision adjustable potentiometer to calibrate voltage 12. Battery type: lead acid, lithium iron phosphate, ternary lithium iron 13. Voltage: DC7-70V 14. Temperature: -20 to 70 degrees Celsius 15. Application scenarios: battery test system, inverter power system, photovoltaic system, various battery power monitoring, assembly line test, automotive electronics 16. Dimensions: 61.3x33.3x13.5mm 17. Weight: 20g Precautions 1. Please read the instructions carefully before using the product 2. Exceeding the operating voltage range will cause damage to the product 3. This product is for indoor use, please do not use it outdoors 4. When users need to adjust the product voltage, they can make fine adjustments by rotating the potentiometer