Features: Professional car battery tester BT900 delivers precise voltages, internal resistance, and charging capacity analysis for 12V/24V batteries (up to 200Ah), combining automotive diagnostic tools with user friendly operations for both mechanics and diyer enthusiasts. Featuring 5 second automated diagnostics, shock resistant ABS housing, and a LCD display, this battery diagnostic tool outperforms standard plastic testers through circuitry and real time data visualization. Essential for automotive technicians, repair shops, and vehicle owners seeking reliabled battery health monitoring during routine maintenance or emergencies roadside checks. Optimizes workflow in professional garages while serving as a portable battery analysis for home garages, ensuring quick assessments of cars, motorcycles, and fleet vehicles. Engineered with industrial components, BT900's automotive battery tester design maintains calibration accuracy under vibrations prone workshop conditions, offering long term durability unmatchedly by budget alternatives. Specifications: Model: BT900 voltages: 12V-24V Working temperature: 0 - 40℃ Working humidity: 20% - 80% Screen parameters: LCD, LED backlight Resolution: 128 x 64 Component: plastic Color: As shown in the picture Package Includes: 1pcs Automotive Battery Tester note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.