DOUBLE MODEL VERSATILITY: Includes W01 and JRR models for portable, lightweight design to accommodate a variety of repair scenarios and user preferences Instant LED Feedback: Equipped with 2 color LED indicators that are green for normal circuits and flashing red for obstacles, providing clear visual feedback without the need for complex readings during repairs PRECISE DETECTION TECHNOLOGY: Featuring stable transmission without drift, providing reliable results with easy button operation even for beginners to ensure efficient diagnosis COMPACT & DURABLE CONSTRUCTION: Reinforced for increased impact resistance and features a portable USB C power design for mobile device repair in the workshop or on the site Professional Inductane Tester: This Inductane Tester (JRR) is specially designed for mobile motherboard repair, it quickly detects circuit conduction and inductance abnormalities and detects short or open circuits with high precision, Manufacturer: sheQImaoYI