Specification: Origin: Mainland China Style: A: White Backlight B: Blue Backlight C: Color Screen Backlight D: Alarm + Temperature (White Backlight) E: Alarm + Temperature (Blue Backlight) F: Alarm + Temperature (Color Screen) Voltage Detection Range: DC 8-100V Working Current: ≤15mA Display Mode: LCD Screen Display Color: Blue/White/Color (Optional) Measurement Accuracy: 1%±1 Word Measurement Speed: About Twice Per Second Operating Temperature: -10-+70° C Working Humidity: 10-80% Working Pressure: 80-106kpa Sunlight Exposure: No Direct Exposure Installation Size: 58mm*28mm/2.26*1.09in Product Size: 61.00*33.00*15.00mm(L * W * H)/2.4*1.3*0.59inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1*Battery Capacity Indicator User-Friendly Interface: Digital LCD Display. The clear and easy-to-read LCD screen of this LED battery monitor meter provides instant feedback on your battery's capacity, allowing for a quick check-up at a glance. Broad Battery Compatibility: Lithium & Lead-Acid. Catering to a wide range of batteries, this voltmeter voltage gauge can test not only lead-acid batteries but also the entire series of ternary lithium and LiFePO4 batteries, from F03 to F23 strings. Power Memory Function: Continuous Tracking. Our battery capacity percentage voltage meter is designed with a power memory function, which maintains the measurement history for lead-acid and LiFePO4 batteries even when the power is disconnected. Custom Voltage Range: Versatile Compatibility. The LCD digital electricity meter is equipped to handle a wide voltage range from DC 8 to 100V, making it suitable for a diverse array of battery types. Precise Voltage Monitoring: High Stability & Reliability. Our battery capacity indicator is engineered for exceptional stability and reliability, ensuring a long service life. It features an adjustable potentiometer for precise error calibration, allowing you to monitor battery health accurately for various vehicles, including cars and motorcycles.