1. Adopt intelligent control, LCD display 2. The battery internal resistance tester can measure the internal resistance and voltage of the battery at the same time 3. Used to measure the AC resistance of capacitors and low-resistance high-precision resistors 4. High precision, high efficiency, low cost, light weight, energy saving and environmental protection 5. Widely used in battery production, maintenance, testing, scientific research laboratories and other occasions Measurement parameters:AC resistance, Basic accuracy:resistance 0.5%, voltage 0.5% Language:switch between Chinese and English at will Display result:LCD display, read only Battery:built-in 1000mAh lithium battery (built-in battery shipped) Colour:Orange Material:ABS Package Contents: 1 x High-precision battery voltage internal resistance tester 1 x fixture 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.