All-in-One Testing Tool – Measures L, C, R with auto identification of component type and polarity. Detachable Magnetic Structure – Controller and tweezer modules connect magnetically for portable or desktop use. High Accuracy Measurement – 0.2 % typical precision with wide frequency range (100 Hz – 100 kHz selectable). Color OLED Display – Shows measured value, component type, test frequency and mode clearly in real time. Dual Operation Modes – Automatic and manual measurement selection for flexible workflow. Rechargeable Battery with USB-C Port – Supports fast charging and long runtime in mobile testing. Compact and Lightweight – Pocket-size design suitable for bench or field electronics work. Technical Specifications: Measurement Items: Resistance (R), Capacitance (C), Inductance (L), Voltage (V), Frequency (F), Diode Measurement Range: R 0.1 Ω – 2 MΩ; C 1 pF – 400 µF; L 1 µH – 4.7 mH; V 1 mV – 40 V; F 10 Hz – 20 MHz Accuracy: ± (1 % – 5 %) typical depending on range Display: 0.91″ OLED screen (128 × 32 px) Power Interface: 3.5 mm audio port (DC 5 V charging) Dimensions: Controller 47 × 18 × 10 mm; Test arms 106 × 15 × 6 mm Weight: ≈ 29 g (total without cable) Operating Temperature: 10 – 50 °C Certifications: CE / FCC / UKCA / RoHS Package Includes: DT71 Main Controller × 1 DT71 Tweezer Arms × 1 pair USB-C Charging Cable × 1 Storage Case × 1 User Manual × 1.