1. Voltage display 2. Power off save 3. Low pressure alarm 4. Backlight setting 5. Widely used: lead-acid/ternary battery/Iron(III) phosphate battery Model: 5918 Voltage measurement range: DC7-100V Working current: 15MA Display : Wide viewing angle LCD color screen Temperature detection: -20~80 Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. type:A: Embedded installation Colour:Black Material:plastic Package Contents: 1 x Voltmeter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.