This high voltage generator is made of , which can withstand use. Features the ABS and copper material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features - ColorBlack -Material:ABS, copper - Size: 7.00X3.00X3.00cm/2.75X1.18X1.18in Input voltage: DC 3V-7.2V Input current: 2A-5A High voltage type: pulse current type Output voltage: about 800-1000KV High-voltage two-pole discharge distance: 10mm-20mm Output high-voltage line length: about 100mm Input power line length: about 100mm ( is positive) Power supply: single or double 3.7V , battery; mobile battery (remove the protection board, the recommended capacity is above 2000mAh) or NiMH battery pack, 4V or 6V -acid battery etc. - This high-voltage module is made by using the principle of coil, and outputs high-voltage pulse. - It is small in size, high in efficiency, and simple in peripheral circuits (just connect the and the battery can be used). The discharge intensity is high. - This module is a finished module of a high-voltage inverter for scientific small production. - The input terminal is input with DC 3V-7.2V voltage. Note that there is no ignition function. - workmanship, reasonable structure, professional and practical, can bring you convenience. Package list: 3 x high voltage generator