1[Versatile Battery Monitor] This battery meter is compatible with a wide range of 12V and 24V (8 to 30V) batteries, including lithium, acid, lithium iron, lithium ion, and more, suitable for various applications. 2[LED Backlit Display] Featuring a bright backlit display, this digital battery meter provides clear visibility of the remaining battery capacity. With low power consumption and a PVC waterproof screen protector, it ensures reliable performance. 3[Enhanced Safety] The battery monitor offers reverse polarity preservation, and when low voltage is detected, the screen will flash to alert users, enhancing safety during usage. 4[Memory Function] With a power off memory function, this battery monitor saves configurations for easy operation upon subsequent use, providing convenience to users. 5[Wide Range of Applications] Ideal for installation in golf carts, vehicles, RVs, motorcycles, boats, electronic repairs, DIY electronics projects, and other settings, this battery meter accurately measures battery voltage and remaining capacity for diverse needs. 1 xBatteryVoltageMonitor 1 x Connection Cable