Description:? This type is miniature Worm Gear DC Motor, which can change shaft rotation direction while the wiring positive andnegative be changed . It is also have addition two characteristics:1 With self-locking, the output shaft can not rotation when switch off, that is self ...Description:? This type is miniature Worm Gear DC Motor, which can change shaft rotation direction while the wiring positive andnegative be changed . It is also have addition two characteristics:1 With self-locking, the output shaft can not rotation when switch off, that is self-locking.2 Gearbox output shaft and motor shaft are come to be a rectangle, it is widely used in variousof occasions that require special install size.Specification:Rated Voltage: 12V DC;? No-Load Speed: 220RPM;? DC Motor Body Dimensions: 31 x 57mm/ 1.22inch x 2.24inch(D*L);? Gear Box Dimensions: 58 x 40 x 35mm/ 2.28inch x 1.57inch x 1.37inch(L*W*H);Wire Length : 20cm;Application:? bank equipment, safe box, paper feeder, intelligent gas meter, tissue machine,accessory of automobile, ad equipment, analysis instrument, electronic game machine.? Used in electrical appliances including remote control curtains, locks, paper shredders,? copying machines, and safes Inner.Package Contents:1 x Gear Box Motor