black 4-inch 5-section 24vh (one electric chain) + paper box(黑色4寸5节24VH（一电一链）＋纸盒) black 4-inch 5-section 24vh (one electric chain) + toolbox(黑色4寸5节24VH（一电一链）＋工具箱) black 4-inch 10-section 48vh (one electric chain) + toolbox(黑色4寸10节48VH（一电一链）＋工具箱) black 4-inch 15-section 96vh (one electric chain) + paper box(黑色4寸15节96VH（一电一链）＋纸盒) black 4-inch 15-section 96vh (one electric chain) + toolbox(黑色4寸15节96VH（一电一链）＋工具箱) black 6-inch 5-section 24vh (one electric chain) + paper box(黑色6寸5节24VH（一电一链）＋纸盒) black 6-inch 5-section 24vh (one electric chain) + toolbox(黑色6寸5节24VH（一电一链）＋工具箱) black 6-inch 10-section 48vh (one electric chain) + toolbox(黑色6寸10节48VH（一电一链）＋工具箱) black 6-inch 15-section 96vh (one electric chain) + toolbox(黑色6寸15节96VH（一电一链）＋工具箱) black 4-inch 5-section 24vh (two electricity and two chains) + e-commerce packaging(黑色4寸5节24VH（两电两链）＋电商包装) black 4-inch 5-section 24vh (two electricity and two chains) + toolbox(黑色4寸5节24VH（两电两链）＋工具箱款) black 4-inch 10-section 48vh (two electricity and two chains) + e-commerce packaging(黑色4寸10节48VH（两电两链）＋电商包装) black 4-inch 10-section 48vh (two electricity and two chains) + toolbox(黑色4寸10节48VH（两电两链）＋工具箱款) black 4-inch 15-section 96vh (two electricity and two chains) + e-commerce packaging(黑色4寸15节96VH（两电两链）＋电商包装) black 4-inch 15-section 96vh (two electricity and two chains) + toolbox(黑色4寸15节96VH（两电两链）＋工具箱款) black 6-inch 5-section 24vh (two electricity and two chains) + e-commerce packaging(黑色6寸5节24VH（两电两链）＋电商包装) black 6-inch 5-section 24vh (two electricity and two chains) + toolbox(黑色6寸5节24VH（两电两链）＋工具箱款) black 6-inch 10-section 48vh (two electricity and two chains) + toolbox(黑色6寸10节48VH（两电两链）＋工具箱款) black 6-inch 15-section 96vh (two electricity and two chains) + toolbox(黑色6寸15节96VH（两电两链）＋工具箱款) black 8-inch 5-section 24vh(黑色8寸5节24VH) black 8-inch 10-section 48vh (one electric chain) + toolbox(黑色8寸10节48VH（一电一链）＋工具箱) black 8-inch 15-section 96vh (one electric chain) + paper box(黑色8寸15节96VH（一电一链）＋纸盒) black 8-inch 15-section 96vh (one electric chain) + toolbox(黑色8寸15节96VH（一电一链）＋工具箱) black 8-inch 5-section 24vh (two electricity and two chains) + e-commerce packaging(黑色8寸5节24VH（两电两链）＋电商包装) black 8-inch 5-section 24vh (two electricity and two chains) + toolbox(黑色8寸5节24VH（两电两链）＋工具箱款) black 8-inch 10-section 48vh (two electricity and two chains) + e-commerce packaging(黑色8寸10节48VH（两电两链）＋电商包装) black 8-inch 10-section 48vh (two electricity and two chains) + toolbox(黑色8寸10节48VH（两电两链）＋工具箱款) black 8-inch 15-section 96vh (two electricity and two chains) + e-commerce packaging(黑色8寸15节96VH（两电两链）＋电商包装) black 8-inch 15-section 96vh (two electricity and two chains) + toolbox(黑色8寸15节96VH（两电两链）＋工具箱款) 24vh battery(24VH电池) 48vh battery(48VH电池) 4-inch chain(4寸链条) 6-inch chain(6寸链条) 8-inch chain(8寸链条)

second generation(第二代) third generation(第三代)