12V 24V DC Gear Motor With Hall Encoder For DIY Smart Equipment;Specification:;Specification:;Voltage: DC6V; No-Load Speed: 1000rpm, 600rpm, 300rpm, 200rpm, 100rpm, 70rpm, 45rpm, 35rpm,20rpm,12rpm,7rpm;Voltage: DC12V; No-Load Speed: 1590;rpm, 1000;rpm, 530;rpm, 333;rpm, 178;rpm, 110;rpm, 76;rpm, 60;rpm,37rpm,20rpm,12rpm;Error: ±5%;Output Shaft Diameter: 6mm D-type;Output Shaft Length: 14mm;Gearbox Size Detal, please see the table;Wirings:;Red Wire - positive power supply of motor(+)(