3 in 1 QC 2.0 Voltmeter Usb Tester Voltage 4V-20V Current Meter 0-3A LCD Mobile Battery Tester Power Detector USB Charger Doctor

Semi-finishedproduct：No Battery Included：no High-concerned chemical：None Voltage range：6-24V DC Certification：CE Origin：Mainland China Brand Name：JUANJUAN DIY Supplies：Electrical Power Supply：AC Display Type：Digital Only

Semi-finishedproduct: No Battery Included: no High-concerned chemical: None Voltage range: 6-24V DC Certification: CE Origin: Mainland China Brand Name: JUANJUAN DIY Supplies: Electrical Power Supply: AC Display Type: Digital Only