... have enjoyed great reputation at home and abroad with high quantity and competitive price.We have been certificated by ... UL,CE, VDE. RoHS Our mainly product is stepping motor, synchronous motor, copper pipe and heat exchange for air-conditioner, mold ... Resistance≥50MΩ (DC.500)Dielectric StrengthCondition of AC, 600V, 1 mA. 1Second No BreakdownTemperature Rise40 KNoise40 dB(A) 20BYJ46-AL1 12v DC Motor