The built-in temperature sensor in this battery monitor offers real-time temperature monitoring, protecting your batteries from extreme conditions. By keeping track of the battery temperature, it helps prevent overheating or freezing, which can significantly extend the lifespan of your batteries and improve overall performance. Features -Color:Black -Material:Plastic -Size:6.00X3.50X1.50cm/2.36X1.38X0.59in Voltage: 12V Input Voltage/Output Voltage/Range: 8- Working current: <=15mA Refresh speed: 500ms/time Backlight color: colorful - : utilizes a to display voltage and battery information clearly, enhancing user experience and readability. -Threshold alarm: configure voltage and battery level thresholds; the battery monitor will alert you automatically when these are surpassed, promoting timely maintenance. -Temperature sensor: comes with an temperature sensor that tracks battery temperature in , preventing damage from thermal extremes. -Broad voltage range: suitable for voltage measurements between 8- , compatible with a variety of battery types and power sources. -Quick installation: designed for easy installation with a 2-wire interface, simplifying the setup process without needing additional power. Package list: 2 x battery indicator