QC2.0 3.0 4-30v Electrical Power USB Capacity Voltage Tester Current Meter Monitor Voltmeter Ammeter

Battery Included : No High-concerned chemical : None Voltage range : Other Certification : NONE Origin : Mainland China Model Number : USB voltage tester Brand Name : JUANJUAN DIY Supplies : Electrical Dimensions : Normal Operating Temperature : Normal Accuracy Class : Normal Power Supply : DC Display Type : Digital Only