Description: The product has only two wires, the wiring is simple, the reverse connection is protected, the connection is not burned, and the matching lead length is 150MM. Lead-acid battery, lithium battery universal, can be adjusted by the back button The battery symbol + percentage or battery symbol + voltage can be displayed, and the two display modes can be switched at will. All battery specifications and features are selected via the back button, eliminating the need for a soldering iron. Equipped with a high-brightness LCD display for clear display. Clear readings are available both during the day and at night. The brightness of the backlight is adjustable in 5 steps, and the energy-saving mode can be adjusted. The minimum working voltage is 3.7mA, and the current can be as low as 0.2mA during sleep. Specification: Material: electronic components Size: 6.2x3.2x1.4 cm / 2.44x1.25x0.55 inch Line length: 15 cm / 5.90 inch Measuring range: 9-90V (V) Package Includes: 1 piece battery level display
