SEEBOY JUWEI KWS-10VA DC3V-9V Multi Function USB 2.0 Dual Output Port with Real Time Charging Display Security Monitor Voltage And Current Detection Table Capacity Tester

Description

Can detect a variety of power supply output voltage and current USB cable quality can be detected Directions for use: Test current voltage, USB male head with 5 v charger, female head phone devices, such as direct reading current voltage parameters Specification: Brand:KEIWEISI Size:L60*W28*H15mm（contain USB L74mm） Input Voltage:3-9V Output Voltage:3-9V(Voltage Resolution is 0.01V) Input Current:0-3A Output Current:0-3A(Current Resolution is 0.01A) Accuracy:±1% Line Losss:0.1Ω Weight:25g Package include: 1 x KEWEISI KWS-10VA USB Security Monitor