Aoni Wifi battery camera is the best choice for these who  want to secure their home but don't  need any cables. This camera is 100% Wire-free, customers can put it anywhere. It is with built-in rechargeable lithium battery. You just need to recharge it when it run out after 2-3 months later. It also supports PIR motion detaction and two-way audio, SD card storage, cloud storage etc. You can review it remotely from you IOS or Andriod devices.