Features High Performance Monitoring: Experience precise readings with a high-speed sampling rate of 2.5Msps and 1MHz bandwidth, perfect for accurate battery diagnostics Waterproof Design: Built to withstand outdoor conditions, this meter features excellent water resistance, ensuring reliable performance in various environments Multifunctional Display: Easily switch between battery voltage and percentage displays, with additional features like backlight and sleep mode for enhanced usability Safe and Secure Operation: Equipped with reverse connection protection and dual fuses, this monitor offers peace of mind, preventing damage and ensuring safe usage Lightweight and Portable: Compact and easy to carry, this device comes with a built-in 30cm power cord for effortless installation and quick operation Features: 1、Waterproof : The of the battery meter has good water resistance, can be used in outdoor environments, and has stable working performance. 2、Lightweight and Portable: The battery meter is small in size, light in weight, easy to carry, can be installed quickly, and is easy to use. 3、Multifunctional Meter: The user can switch the display between voltmeter and battery percentage with a button, as well as backlight, sleep mode and more. 4、Safe to Use: The battery monitor has a reverse connection protection design, and it will not burn if it is reversed, which is very safe. 5、Easy Connection: The battery voltmeter case is made of ABS material, with a built in 30cm power cord, simple connection, easy to operate, Specification: Item Type: Battery Monitor Material: ABS Voltage Range: 8-120V Power Cord Length: Approx. 30cm / 11.8in Package List: 1 x Display 1 x Sampler 1 x 1m Shielded Cable 1 x Instruction Package List 1 x Display 1 x Sampler 1 x 1m Shielded Cable 1 x Instruction