Product Details: CPU:4 cores,1.3GHzStorage:RAM 512M, ROM 4GBOS:AndroidOperation mode:Touch panelCamera:720PScreen:5″, LCD,IPS, 800*480APP:Support Android and IOSBattery:6800mahCamera she:zincllVoice alarm:yesRemote monitoring:yesBi-directional intercom:yesRemote upgradeyesExternal storage:Up to 32GMotion detection:yesIRLED:940NMCharger:5V/2ADoor hole diameter:14-35MMDoor thickness:35-100MMWIFI:IEE802.11b/g/n 2.4GHzSupport mobile:Android 44