... resistance, convenient operation, stable running, stepless speed regulation, small and powerful motor which in a wide speed range. It ... external power source, switch on the power switch, then indicator light on.4. Select the timing function, turn the ... Range: 0—120minPower Specs: 220V/50Hz JJ-3 Digital Display Temperature Control Electric Stirrer/Motor Stirrer/power basic stirrer/motorstirrer/ ...