Features 1、Dual independent USB, IP6505T fast charge identification chip, input reverse connection protection, reverse connection does not burn the module. 2、Voltage and power are displayed on one screen, support multiple batteries, battery type and number of strings can be set. 3、Large temperature span, strong adaptability, can work in the environment of ‑10℃ ‑ 60℃. 4、Can be used for battery voltage and fuel measurement, applicable scenarios, battery charging, electronic equipment. 5、Support QC2.0 / QC3.0 / SCP / MTKIAPPLE and other mainstream fast charging protocols. Specification Item Type: Volt Meter Material: ABS Power Display: 7-Segment Display(13%, 26%, 39%, 52%, 65%, 78%, 91%) Output Power: Maximum 24W USB Efficiency: 90%-97% Temperature: -10℃— 60℃ Working Humidity: 10-80% (No Condensation) Applicable Scenarios: For Battery Charging, Electronic Equipment Package List 1 x Volt Meter