DIY Kits Heart Shape Breathing Lamp Kits DC 4V-6V Breathing LED Suites for Learning Training Teaching Beginners DropshipFeatures: Circuit Board Size :Approx. 50.7x50.7mmOperating voltage : DC 4v - 6v.Note: This product is a DIY product and requires certain electronic knowledge.The delivery is in spare parts, you need to make it yourself.To make this kit, you may need the following tools:Soldering IronMultimeterSolder WireSoldering Iron StandDiagonal PliersScrewdriverTweezersNeedle Nose PliersSolder SuctionCleaning SpongeScrewdriver SetSpecifications: Kit Name: Heart-Shaped Breathing LampWorking voltage: DC 4--6VCircuit Board Size :Approx. 50.7x50.7mm/2x2inWelding video tutorials are from the Internet, for reference only.Note: This product is a DIY product and requires certain electronic knowledgePackage Includes: 1 Set Heart-Shaped Breathing Lamp Kitsnote: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.