Required Android,Android App Development,Circuit Design,CSS,CSS3 freelancer for Want to make an Electronic Device, which has Following features job

I want to make an electronic device which can be controlled from mobile via app or simple massage and can operate relay on command, also must be able to send it's GPS location to Operators Mobile Phone via SMS, Must have a Backup Battery which must run it for 1 month without getting any external input Voltage Input is Upto 12 V which is variable so there must be simple Fluctuations stabilizer size of device must Not be more than 3*3*1 inch size may be Small but not more than that

Skills & Expertise Required

Android Android App Development Circuit Design CSS CSS3