1. High-precision measurement: Voltage range DC 7-100V, accuracy 0.1V, capacity percentage display accuracy 0.1% 2. Adjustable low-voltage/over-temperature alarm threshold, with reverse connection protection and power-off memory function. 3. Upper screen displays voltage with a four-digit LED display, lower screen displays capacity percentage. 4. Intelligent interaction: Four-button operation, three-color status lights, clear parameter display, convenient and simple operation. 5. Multi-battery compatibility: Supports acidic, ternary lithium, and lithium iron phosphate batteries, covering various battery specifications. 6. Suitable for monitoring various batteries in electric two-wheelers, three-wheelers, and off-grid solar power generation. Measurement voltage range: DC 7-100V(with temperature sensor) Display accuracy: Voltage 0.1V, Capacity 1% Compatible batteries: Acidic batteries (Pb): Supports DC... 12V, 24V, 36V, 48V, 60V, 72V, 84V Ternary Lithium Battery (Li): Supports L03S~L21S Lithium Iron Phosphate (FE): Supports F04S~F28S Other Settings: Screen Off Time Temperature Range: 0-100℃ Temperature Accuracy: ±1℃ Opening Size: 100 x 55mm Product Dimensions: 108 x 63 x 25mm (VTM+ temperature sensor version) Color: Black Material: ABS Package Contents: 1 set of Digital Voltmeter Battery Tester