ESTINK USB Tester LCD Intelligent Amperimetor Voltmeter Power Bank Charger Indicator

Feature: 1. With the LCD design its very convenient and quick for you to see and know information on it. 2. The screen can display the charging status voltage current capacity and working time of the device at the same time. 3. Power off storage function can store the capacity and energy data when the mobile power is cut off which is convenient for subsequent inspection. 4. No need for professional wiring as long as the USB port is plugged in you can real‑time detection of USB power charging status voltage. 5. Owing to its compact and light size makeing it easy and convenient to carry and store. Specification: Item Type: USB Tester Material: ABS Size: Approx.73 x 23 x 13.5mm/2.9 x 0.9 x 0.5in (lenth x width x height) Input/Output Voltage: 3.5-20V Resolution: 0.01V Input/Output Current: 0-3.3A Resolution: 0.01A Accuracy: ±1% Package List: 1 x USB Tester 1 x Instruction