Features: The impact-resistant ABS for shell with a soft overmolded rubber handle is ergonomically designed. Bright blue indicator light for easy visual indication. Standard Type-c protected AC power socket. Test GFI sockets and standard sockets connected in series with GFCI sockets. Click the button to view 1-9 groups of charging data;Long press the button for 3 seconds, a set of charging data will be delet;Double-click the button to rotate the screen for viewing. Specifications: Measuring range: 4-30 (V) Input voltage: 4-30 (V) USB for smart detector: current, voltage, capacity, power, temperature, timing, type C interface Current: 0-5.1A Voltage: 4-30 V Time: 0-99 hours Power: 0-155 watts MAh: 0-99999 mAh Internal temperature: 0-80 degrees Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x USB Tester