KUAIQU | KUAIQU 300V 200V DC Power Supply 1A 300W 200W Adjustable Switching Source RS-232/USB Port Programmable Regulator M1~M4 ON/OFF

How to Contact Us:★Because the link you purchased was "Choice," you may not be able to contact us. To better serve you, if you have any questions, please contact me via email. I will respond as soon as possible!Email: yzmdquantuoguan@163.comSPPS-D Description:1. Color LCD screen, 4-digit display, with power display.2. Single-knob encoder for precise digital signal adjustment.3. USB-A 5V 2A output port for charging mobile phones.4. Four memory function buttons ("M1/M2/M3/M4") for one-button adjustment of current and voltage settings.5. "LOCK" screen lock button to prevent accidental touches that could cause changes in output current and voltage and damage to appliances.6. "V/A" current/voltage switch button for switching between current and voltage values using the single-knob encoder.7. "On/Off" output switch button (some models use "OUTPUT") for safer current and voltage output.RS-232 / USB Connecting to a PC Allows for More Stable OperationIt can communicate with the control CPU of the power supply through the rear USB interface to realize the programming functionDownload link for computer software: https://drive.google.com/file/d/1KHE5qAAi5th9wA4ODJik1DIbuJ1jND9i/viewIntelligent Memory Chip, One-button Recall Data4 sets of voltage and current data can be setup for one-button recall at any time.“V/A” Precision Encoder Adjustment KnobAccurate ControlBetter User ExperienceEnhanced DurabilityPressing this button switches the voltage value/current value adjustment mode.Accurate Power QutputHighly accurate 4-digit LED display shows voltage, current and power respectively. Voltage is accurate to 0.01V and current isaccurate to 0.001A.Introduction of Product Functional ComponentsMultiple Security ProtectionOver voltage protectionOver heat protectionOverload protectionShort circuit protectionLeakage protectionSupport 5V/2A USB Charging FunctionFast charging of various electronic devicesUSB-A:Standard ChargingOn/Off: (Output button)Stable voltage and currentLOCK:(Lock button)Locking voltage and currentBuilt in intelligent cooling fanWhen the working temperature of the DC power supply exceeds 122°F/50℃,the cooling fan is turned on auto.Various ApplicationsExample: Galvanization experimentAbout Shipment:We will ship your package within 1-2 working days. We may change the shipping method: Consider of the customs, remote address and shipping speed.Warranty &Return:Our store provides free replacement for orders within 30 days from delivery date. For orders from 1 to 12 months, you have to pay some parts of order value to get replaced. For order older than 12 months, we will give small discounts.Our Service time:Our Working time is Monday to Friday 9:00 AM to 6:30 PM BeiJing Time.All orders will not be processed at the weekend and holidays.Feedback:Please contact us first if you have any problem,i will reply you within 30 minutes during working time.We promise you to solve your problem within 24 hours.