1. High Accuracy & Speed: Measure resistance (0-100) and voltage (-110V to +110V) with 0.5% precision using 1KHZ AC method and four-wire Kelvin clips. 2. Smart Sorting Mode: Set custom voltage/resistance thresholds to instantly classify lithium batteries (soft pack/cylindrical) and screen defective units. 3. Portable & User-Friendly: Compact design with a 2.8inch TFT screen, adjustable stand, and Type-C rechargeable 1200mAh battery. 4. Customizable Features: Personalize display colors, shutdown , and save calibration values for consistent performance. Voltage measuring range:0 - 110V(DC) Voltage gear:Automatic, 1V, 10V, 100V Resistance measuring range:0 - 100 Resistance gear:Automatic, 10m, 100m, 1, 10 Accuracy:0.5% Inst ent frequency:AC 1Khz Rechargeable:Type-C interface (5V/1A) User calibration:Support Sorting mode:Support Test Lead Length: 0.8m Battery capacity: 1200mah Screen: 2.8inch TF HD display Color: Orange Material: ABS Package Contents: 1 x Battery Resistance Tester 1 x Kelvin Clip (Four-wire) 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.