1.Description: ZK-DP is a DC adjustable step up/down power supply module with 3Bit LED digital tube display.Display output voltage in real time.Rotate potentiometer to adjust output voltage.Set output voltage to meet the require.It can be used as ordinary buck power supply module.Simple and efficient, practical. 2.Features: 1>.Low power supply 2>.Wide voltage output 3>.Support boost and buck 4>.Long handle potentiometer adjustment 3.Parameters: 1>.Product Name:ZK-DP DC-DC 3W USB Step Up Down Power Supply Module 2>.Product Number:ZK-DP 3>.Input Voltage:DC 5V 4>.Output Voltage:DC 1.0V-24.0V 5>.Output Power:3W(Max) 6>.Conversion efficiency:94% 7>.Working current:30mA 8>.Working Temperature range:-20℃~85℃ 9>.Working Humidity range:0%-95%RH 10>.Size :70*26*22mm 4.Using Steps: 1>.Input DC 5V from USB male socket; 2>.Adjust output voltage by potentiometer to meet require; 3>.Remove input voltage; 4>.Connect load at output terminal; 5>.Re-connect power ON and enjoy using. 5.Note: 1>.Please don’t short output. 2>.Its maximum output power is 3W, which cannot exceed. 3>.Please read use manual and description before use. 6.Application: 1>.Ordinary power supply; 2>.Battery charger; 3>.LED drive power; 4>.Instrument voltage display; 5>.Test meter; 6>.Circuit test; 7>.Power conversion. 7.Package: 1pc ZK-DP DC-DC 3W USB Step Up Down Power Supply Module

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