... packingcolor boxBattery specification27V12AWorking voltageAC180-250V(50/60Hz)Load power500W/way,total 2,000W(resistant)Frequency315Mhz/433Mhz,any frequency offeredControl ... *24mm(remote controller)UsageButton 1,2,3,4 to control the corresponding 4 ways,green button to turn on/off ... for garage home,hotel,apartment and office,etc.5.Control 4 ways,switch on/off all.6.Manual controlling & remote ...