Universal Battery Charge Indicator 12V 24V 36V 48V 60V 72V 10-100V Li-ion Lifepo4 Lead Acid Battery Monitor With Temperature Display Features:1. Patented product, using neutral production packaging, the surface is dustproof and waterproof, with full protection of the back cover2. One-piece display port, anti-puncture sunscreen, soft button feels good3. Color LCD display, transparent bulb, soft night display4. Custom battery type, suitable for lead acid, lithium battery, lifepo4, nickel-hydrogen battery5. Display the percentage of remaining power, voltage, temperature value (Celsius, Fahrenheit can be set)6.10-100V wide input voltage, reverse connection protection7. Custom delay of 10-120 seconds of sleep8. Sleep deactivation: low energy consumption9. Simple installation, self-contained screw without buckle10. Low voltage alarm11. Over temperature alarm (shared built-in buzzer optional)12. Battery temperature real-time detection (optional external temperature sensor)13. Open Programming ModeNote:The default setting is suitable for use with 12V lead-acid batteries. If you want to set up other types of batteries or enter the setting mode and delay the sleep timer, please feel free to , we will send you electronic instructions. The item color displayed in photos may be showing slightly different on your computer monitor because monitors are not calibrated same. Please allow 1-3mm slight deviation due to manual measurement. Thank you! Package Included:1 * Battery Indicator Voltmeter with Temperature Display1 * Cable