Description: Set time, internal and external temperature, voltage as one. You can display an item individually, or alternately display each item in a loop, and support customizing the items to be displayed. The time chip uses the RX8025T chip for accurate time. Two temperature probes are standard, two waterproof probes of 0.3m + 1.5m, and the temperature range is -35~120 degrees. With brightness adjustment function, 3 levels of brightness can be adjusted. It also has an automatic brightness function, which can be darkened at night and brightened during the day. Specification: Material: Plastic Size: 57mm*22mm*17mm Package Includes: 1 Piece Car Digital Voltmeter Module 1 Piece Waterproof probe 2 Pieces Power Supply Cable Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor.