High- measurement with a voltage range of DC7-100V and an accuracy of 0.1V; capacity percentage display with an accuracy of 1%. Multi-battery compatibility supporting lead-acid, ternary lithium, and lithium iron phosphate batteries, covering various series configurations from 12V to 84V. Dual-screen dynamic display featuring an upper screen for voltage (e.g., 12.3V) with a three-digit LED display and a lower screen for capacity percentage or temperature (e.g., 85% or 28℃). Intelligent safety protection with adjustable low-capacity and over-temperature alert thresholds, reverse connection protection, and a power-off memory function. This product is designed for precise voltage and capacity monitoring across a wide range of battery types. Its dual-screen display provides clear visibility of critical information, ensuring users can easily track battery performance. The intelligent safety features enhance reliability, making it suitable for various applications in both personal and professional settings. Color: Black Material: plastic Package Contents: 1*Battery Indicator 1*Red Cable 1*Black Cable 1*Temperature Sensor 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.