video door bell wifi hd waterproof 720p visual camera +1pcs dingdong for ios night vision ir intercom door ring phone security

alarm:yesitem type:wireless doorbellcommunication interface:wirelessfeature:pgraph,videodisplay:nonepower:dry batteryitercom:yesoutput:built-in speaker (8 ohm 1w)compression standard/bit rate:adpcm/32kbpswireless network:802.11b/g/nstorage:tf card,max 32g (not included)power supply:battery-powered 18650 batteries international(not included)material:abs plasticsize:7.5*3.3*14.4cmresolution:720p