Description: - Product Name: Smart Digital Voltage Tester Meter - The new USB monitor, more convenient to use, more reassuring. - Function: Current / Voltage / Capacity / Power / Temperature / Timing Tester - Real-time monitoring of charge data, USB monitor will automatically cut off when the device is full charged, makes it controllable and more secure when charging, effectively protect your device. - Smallsize , no power , and other ancillary equipment, plug and play, also detect USB charger output voltage and current are standard suitable for factories, Laboratory and users. Specification: Current: 0-5.1A Input Voltage: 4-30V Output Voltage: 6V Timing: 0-99 hours Power : 0-155W Capacity: 0-99999mAh Inner temperature: 0-80°C Material: plastic Size: approx. 65x25x10mm/2.56x0.98x0.39inch Package Includes: 1Piece USB Type C Test Meter Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.