DC4-30V Electrical power USB capacity voltage tester current meter monitor voltmeter ammeter

Description
Compact and easy to carry no additional power supply plug and playIt can easily measure the output voltage of the USB port and the device operating current or load voltageDetect any USB charger such as PC USB home charger car chargerSuitable for factories labs and personal productSpecificationInternal resistance 099999Power 0150WVoltage DC430VCurrent 05ACounting time 099 hoursDelay time 024 hoursTest content USB voltage current power capacity electric quantity timing and etcElectric Quantity 09999WHDimensions 75x25x13mm295 x 098 x 051 inchapproxMaterial plasticcolour WhitePackage Contents1 x Usb TesterOnly the above package content other products are not includedNote Light and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is 13cm