Features 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 Monitor Material: Environmental friendly ABS Table Model: TR16H Voltage Range: 100V Current: 350A Package List 1 x Battery Display 1 x Shielded Wire 1 x Instruction 1 x Installation Rack 1 x Sampler