Specification AgeRangeDescription : adult Brand : Hyuduo BulletPoint1 : [Power and Heat] With high power capabilities, this module should not be used for extended periods due to poor heat dissipation. it is advisable to use lithium batteries with a capacity of 2000ma or higher to maintain voltage stability during use. BulletPoint2 : [Reliable Performance] Enjoy a small and efficient high voltage pulse generator module perfect for various applications, offering intense discharge capability and practical use for student experiments and electronic projects. BulletPoint3 : [High Voltage Source] This module is a high voltage generator that outputs powerful pulses, ideal for student science experiments and electronic instruments. it is based on the coil principle, ensuring high efficiency and intense discharge. BulletPoint4 : [ End Design] The module is divided into input and output ends, with red and green wires for input and two high voltage wires for output. it can be powered by various batteries such as lithium, nicd, nimh, or -acid, with the output affected by voltage and capacity. BulletPoint5 : [Arc Adjustment] Before power-on, it is crucial to adjust the arc distance properly to prevent damage. testing the arc distance from short to long is recommended, ensuring it does not exceed the module's maximum capabilities. Color : Red ExternallyAssignedProductIdentifier : 8841654228738 ItemName : 1000KV High Voltage Pulse Generator for Science Experiment Electronic Instrument Negative Ion Generator with 3.7-7.4V Input 800-1000KV Output and 3.48in Length ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : function-generators Manufacturer : Hyuduo ModelName : Hyuduooumk9yw6re ModelNumber : Hyuduoudb4r5ip1z NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Hyuduoudb4r5ip1z ProductDescription : Specification: Item Type: High Voltage Pulse Generator Module Model: MC- Item Size length 88.5mm / 3.48in, diameter 26mm / 1.02in, section 24mm / 0.94in Input Parameters: 3.7-7.4V/4A Input Wire Length: About 10cm / 3.94in (red positive, green negative) Output Parameters: 800-1000KV/0.5A Output Wire Length: About 16cm / 6.3in Discharge Distance of High-Voltage Two-Pole: 1.5cm-2cm (do not exceed)