1. Designed with high definition LCD screen, offers clear and bright display from every angle. 2. Monitoring the battery capacity and voltage by this mini tester. 3. Easy to read the value in dark environment with the blue backlight. 4. Widely used for car, motorcycles, scooters, bikes, power bank, test equipment, etc. 5. For checking the remian capacity of batteries, diretly display with battery capacity sign and percentage. The instrument has the characteristics of accuracy and stability, small size, easy to carry. Pro Version: Professional version with temperature detection and low pressure alarm function (Temperature + alarm version) Condition: 100% Brand New Item Type: Battery Monitor Voltage Measurement Range: DC8V-100V Working Current: Less than 15MA Measurement Accuracy: 1% ± 1 word. Display: LCD screen Measurement Speed: about 2 times per second. Dimensions: Approx.6.5x3.5x1.5cm / 2.6x1.4x0.6in Installation Size: Approx.58x28mm / 2.3x1.1in Lead Length: 20cm / 7.9in Product Manual: 1. Ternary lithium battery L measurement from L02 string to 25 strings. Power off with memory. 2. Lead-acid battery P measurement can be from DC12V to DC24V, DC36V, DC48V, DC60V, DC72V, DC84V. Power strip memory 3. Iron lithium battery pack F can measure F03 string to 26 strings. Power strip memory Dispaly Color:B:White/A:Blue Colour:As Shown Material:plastic Package Contents: 1 x Battery Capacity Indicator 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.