Features: Using special metrology chip, bidirectional measurement technology, and 6-bit high precised. Rotate 360 degrees on four side to meet any angle reading requirements. Compatible for multiple fast charging protocols, supporting QC2.0/3.0/4.0 and PD2.0/3.0/4.0. Ergonomic design, moderate size, comfortable grip. Five fold intelligent protections, reliable charging, doubled safety. Specifications: Material: ABS+Electronics Size: approx. 52.5x34.5x13mm/2.06x1.35x0.51inch Model: UD18 Tester Voltage measurement: 3.60V~32.0V Current measurement : 0.00~5.10A Cumulative capacity : 0~99999mAh Accumulated of electricity: 0-9999.99Wh Power measurement : 000.00~150.00W Temperature measurement : 0~80 ℃ USB D+voltage : 0V~2.99V USB D-voltage : 0V~2.99V Mobile phone charging full reminder threshold parameters:<2W/0.5 hours Measurement rate: approximately 0.5 times per second Screen resolution: 128x160 Self consumption current: ＜ 0.02A Working temperature: -10~+60 ℃ Working pressure: 80~106kPa Package Includes: 1Pc USB C Power Tester note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.