Features: We provide a series of motor of different speed,current and torsion for you to choose from. The motor has a rated voltage is 6V and can be powered by 3~9V power source. The spindle of the motor is M4x55mm ,please make sure your demands before purchase. Made of fine craftsmanship and premium material,durable and has long service life. Compact and practical design makes it works more stable. Specification: Item Type:Gear Motor Spindle:M4 Spindle Length:55mm / 2.17in Model Parameters Table Voltage (V) No load specified load Stall 12GAN20 Voltage Range Rated voltage Speed RPM(Optional) Current A Speed RPM Current A Torque KG.CM Torsion KG.CM Current A 12GAN20-30 3~9 6 30 0.02 25 0.04 1.5 10 1 12GAN20-60 3~9 6 60 0.03 50 0.05 0.6 3.2 1 12GAN20-100 3~9 6 100 0.01 80 0.03 0.4 3.2 1 12GAN20-150 3~9 6 150 0.03 120 0.05 0.35 2.4 0.25 12GAN20-200 3~9 6 200 0.03 160 0.06 0.3 1.8 0.23 12GAN20-300 3~9 6 300 0.03 240 0.04 0.2 1.6 0.2 12GAN20-400 3~9 6 400 0.04 340 0.07 0.17 1.4 0.2 12GAN20-500 3~9 6 500 0.16 400 0.23 0.15 1 0.56 12GAN20-1000 3~9 6 1000 0.01 800 0.03 0.06 0.4 0.16 Package List: 1 x Gear Motor1We provide a series of motor of different speed,current and torsion for you to choose from. 2The motor has a rated voltage is 6V and can be powered by 3~9V power source. 3The spindle of the motor is M4x55mm ,please make sure your demands before purchase. 4Made of fine craftsmanship and premium material,durable and has long service life. 5Compact and practical design makes it works more stable.