brand new and high quality 1.Description: ZK-DP60 is a for DC adjustable constant voltage constant current step down/up power supply module with LCD display.H D display input voltage and output voltage, current, power and display status.Adjustable stable output voltage and current.Set output current to meet the Demand.It can be used as ordinary bu-ck power supply module, charger and LED constant current driver.Simple and efficient, practical. 2. Features: 1>.High voltage resistant terminal. 2>.With high quality acrylic for shell. 3>.Support enabled/disabled output. 4>.Support anti-reverse for protection. 5>.Support anti-backflow for Protection. 6>.Support short circuit for protection. 7>.Support over-current for protection. 8>.Support over-power for protection. 9>.Support over-temperature for protection. 10>.Support Automatic bu-ck/boost voltage. 11>.LCD screen H D display. 12>.Support charging function. 13>.Support display input voltage. 14>.Support display output voltage, current, power. 15>.Support working status indicator. 16>.Multiple parameters are displayed simultaneous. 17>.High current, low heat. 3. Parameters: 2>.Product Number:ZK-DP60 3>.Working Voltage: for DC 5.5V-30V 4>.Output Voltage: for DC 0.5V-30V 5>.Output Current: 4A 6>.Output Power: 35W 7>.Voltage Display Range: 0~30V 8>.Voltage Display Precision: 1% 9>.Voltage Display Resolution: 0.01V 10>.Current Display Range: 0~6A 11>.Current Display Precision: 1% 12>.Voltage Display Resolution: 0.001A 13>.Conversion efficiency:About 88% 14>.Working current: 30mA 15>.Soft Starter: Yes (Failure at high power load) 16>.Anti-reverse Protection: Yes 17>.Anti-backflow Protection: Yes 18>.Short Circuit Protection: Yes 19>.Work frequency: 180KHz 20>.Over-temperature Protection: 100 21>.Over-current Protection: 6A 22>.Over-power Protection: 60W 23>.Fan working condition:>3A or >20W or >40 24>.Working Temperature range: -20~100 25>.Working Humidity range: 0%-95%RH 26>.Size::72x59x32mm/28.35x23.23x12.60in Note: Transition: 1cm=10mm=0.39inch. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1pc x Supply Module