Feature: 2 in 1 function: measure and display battery capacity and . Dual display: capacity and can be displayed at the same time, clear and easy to read. LCD Display: LCD screen with backlight for easy reading. Wide Operating Range: This battery monitor can withstand a wide operating range from capacity, to (DC 8-100V) Suitable battery type: The battery detector is suitable for Ternary lithium battery, lead-acid battery, iron-lithium battery pack. Safe to use: Simple connection with reverse protection. Specifications: measurement range: DC8V-100V Working current: Less than 15MA Display mode: LCD Screen display color: color screen Measurement accuracy: 1% 1 word Measurement speed: about twice per second Working temperature: -10-+70C Working humidity: 10-80% Working pressure: 80-106Kpa exposure: no direct exposure Installation size: 58mm x 28mm Dimensions: 61.36mm x 33.36mm x 15mm Material: Plastic colour: black Package Contents: 1 x Battery Capacity 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.