1. gear motor GM37-545 SM 2. Application: vending machine, curtain lift, ATM, bank equipment, Power tool 3.Dia.37mm*L79mm ... DC gear motor GM37-545SM Typical application:Vending machine,Curtain liftATM, bank equipment Technical performance : Rated voltage: 12VAt. max. efficiency ... own requirement after evaluation. 12V gear motor GM37-545SM for curtain lift