blue and white 12-hole [one control three]](蓝白12孔【一控三位】) blue and white 14-hole [one-control four-bit]](蓝白14孔【一控四位】) blue and white 21 holes [one control six positions]](蓝白21孔【一控六位】) blue and white 28-hole [one-control eight-bit]](蓝白28孔【一控八位】) blue and white 40 holes [one general control eight]](蓝白40孔【一总控八】) blue and white 50 holes [one control ten]](蓝白50孔【一控十位】) blue and white 15 holes [one general control three]](蓝白15孔【一总控三】) blue and white 20 holes [one general control four]](蓝白20孔【一总控四】) blue and white 30 holes [one general control six]](蓝白30孔【一总控六】) blue and white 5-hole [zero general control]](蓝白5孔【零总控】) blue and white 7-hole [one control and two positions]](蓝白7孔【一控二位】) blue and white 15 holes [three control three]](蓝白15孔【三控三位】) blue and white 20-hole [four-control four-bit]](蓝白20孔【四控四位】)

total length 2.2 m [high power available]](总长2.2米【大功率可用】) total length 3.2 m [high power available]](总长3.2米【大功率可用】) total length 5.2 m [high power available]](总长5.2米【大功率可用】) total length 10.2 m [high power available]](总长10.2米【大功率可用】) no wire (need to be wired by yourself)(不带线（需要自己接线）)