It's 6 volt, 65 mA, and it will be opening/closing a door once a day.
Your are right. 120-150 mA is the working current. It's not working hard, though, the specs show max efficiency to be 700 mA. After redoing the math, I'm unsure...Typical Arduino alkaline battery's are 2850mAh. 2850 mAh / 150 mA = 19 hours of run time19 hours = 68400 seconds68400 / 10 seconds runtime a day = 6840 days6840 days = 18.74 yearsThat hardly seems possible? Bottom line: I don't like leaving batteries in something for more than year, so I what big enough batteries to safely operate for 2 years, then replacing them every year, I'll never have to worry. I thought I'd need to go with C or D cells. Will AA really last that long?