Feature:1. [MULTIFUNCTIONAL] This battery meter can not only switch to voltmeter, but also switch to sleep mode, battery type selection and other functions.2. [SAFE TO USE] This battery meter has a reverse connection protection design, and the reverse circuit will not burn the detection meter, which is very smart.3. [WATERPROOF] Although the battery meter is small and portable, it has excellent waterproof performance and can also be used outdoors.4. [ABS CASING] The casing of the battery meter is made of environmentally friendly ABS, which is sturdy and pollution free.5. [EASY INTSALLATION] The battery voltmeter has a built in power cord, and the connection is simple. It is a snap type installation, which is very convenient.Specification:Item Type: Battery MonitorMaterial: Environmental friendly ABSTable Model: TR16HVoltage Range: 100VCurrent: 350A.Package List:1 x Battery Display1 x Shielded Wire1 x Instruction1 x Installation Rack1 x Sampler