Hollarm 4.3inch Tuya Smart Wifi Video Peephole Two Way Audio Night Vision Doorbell Monitor 1080P 200W Pixels Video Doorbell Our device is installed at the posistion of the peephole on the door to replacement the optical door viewer which collect peephole door veiwer, visual doorbell, security camera all in one. To solve old people, childen cannot see the door outside which to prevent security incidents. It build-in PIR function which can take pictures or videos outside the door automatically. It also with wifi function which can remote video intercom, remote monitoring. Product Features: 1080P HD Video Doorbell camera, 4.3 inch display screen Built-in 5000mAh rechargeable battery and 5V 1A USB cable powered, with low battery alarm Alarm notification. When someone pre the doorbell, you will receive a notification that APP pushed Two Way Audio. Clearly communicate with visitor in real-time (Doorbell can support two-way audio via APP, but that screen can't support real-time talk, it only support watch the live view) Clear Night Vision. Provide monitoring in day and night PIR Motion Detection. 120 view angle, when the doorbell detects movement, APP will push notification Video Call. When someone pre the doorbell, you will receive a video call at anywhere Support Max 128 SD Card(Not Include) and Cloud Storage for alarm recording Smart playback. If insert micro SD Card, you can check the playback at anyday Download free APP "Smart Life" or " TuyaSmart" from Google Play or AppleStore Product Specification: Power supply: Rechargeable 5000mAh lithium ion battery (built-in), normal use (3-5 times a day) about 30 days standby time.APP real-time reminder, when the battery power is le than 5%, the device will prompt low battery, when the battery is low, APP cannot link the device. Camera Resolution: 2 Million pixels, resolution 1080P HD. Camera View Angle: 120 degrees. Display: 4.3 inch TFT color LCD screen. APP: Tuyasmart / SmartLife (support Alexa & Google voice Command) Motion sensor reaction time: low sensitivity, middel sensitivity, high sensitivity optional in APP, high sensitivity about 1 to 3 seconds delay. Video format: .avi (need TF card) or buy cloud service. Memory card: up to 128GB. Motion sensor detect distance about 2 meters. Door thickne: 35-115mm (please measure door thickne before purchase). Peephole diameter: 17-60mm. Doorbell share: yes. Working Temperature: -20 to 55. Wirele WiFi Video Doorbell with 1080P HD Video Camera You can adjust some doorbell parameters in the mobile phone application, such as the sensitivity of motion sensing, device volume, and the closing and opening of infrared night vision. The videos you record will be stored in the album. The doorbell requires a memory card to be inserted in order to store the video. You can click on the playback button in the application to view the video. Daily motion sensing SMS notifications will be accompanied by a picture. 121 Ultra Wide Angle Equipped with a 121 wide-angle lens, clear insight into the details outside the door to reduce safety hazards Works with Alexa and Google Aistant When visitors pre doorbell, Alexa will make a annoucemnt: Someone at the device name(smart doorbell) 2.4G Wifi Connection Monitoring Remote Conversation, No Worry About Going Out PIR Motion Detection When motion dectection is activated, the doorbell will record a video automatically. Two Way Audio Reply to your visitors anytime and anywhere