Upgraded Battery Charge Indicator with Voltage Alarm and Thermometer DC 10-100V Li-ion Lifepo4 Lead Acid Battery Monitor 12V 24V 36V 48V 96VOOTDTYenhanced Features:Low power consumption activates audible alarmHigh temperature activates audible alarmBattery temperature detectionFeatures: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)Update13. Open Programming ModeSpecificationsProduct Size 61.5*33.5*13.5mm (2.42*1.32*0, 53in)Mounting Size 58.5*28.5mm (2.30*1, 12in)Display Size 33*16.5mm (1.30*0, 65in)Working Voltage 10V to 100 VMow Operating Voltage 8/10 mA, Backlight On, Delay Time Adjustable: 10 - 120 S (Adjustable 10.20.30.60.120 Seconds)Sleep Power Consumption: 15/20 uA 20VDu1 Voltage Accuracy: ± 0.1/± 0.5%Temperature Accuracy: ± 0.5/± 1°C, Built-in Standard (30CM External Probe Option)Range Temperatures-19 – 80°C CelsiusTemperature range-2.2 – 179°F fahrenheitTemperature alarm above 0 – 79°c adjustable (1 second interval after temperature exceed) buzzer temperature value flashesOver temperature alarm adjustable 0 – 179°f (1 second interval after temperature over buzzer) temperature value flashesLow voltage alarm adjustable 10.5 – 60.0V (1 second interval after low voltage meter with buzzer) voltage value flashesOperating temperature-10 – 65° cNote: The default setting is suitable for use in 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. Package Included:1 * Upgraded Battery Indicator Voltmeter with Temperature Display1 * Cable1 * Temperature Sensor