GRTD Smart Video Doorbell - 4G LTE Wireless WiFi Security Camera with 170° Wide Angle Lens & HD Night Vision - Home Security System for Front Door Monitoring (Indoor/Outdoor Use) - Perfect for Apartments, Houses & Office Buildings

Features: 1.Long standby period of 6 months, activate every 10 days for 30 seconds.4G super-wide-range 1.7mm camera wth 170°wide-angle. 2.Easy to set up, comes with an innovative quick-release rechargeable battery pack, so you can charge your doorbell without moving the device. 3.Two-Way Talk, WIFI doorbell use built-in microphone and speakers with noise cancellation, you can see, hear and speak to the visitors from your phone, tablet and PC. Specifications:Item Type: Smart WiFi Video DoorbellVideo: 1280*720/30fps 640*360/30fpsSystem: Lite OSNetwork Connection: WIFI(2.4GHz) + Sound DeviceMemory Card: 32GB(Class10) MaximumIR Distance: Six 850nm IR to Get Effective Distance of 5mPower Supply: AC/DC24V or Two 18650 Battery 2600mAH（Not Included）Operating Temperature: -20℃~+70℃ Package List:1* Door Bell1* Manual

Long standby period of 6 months, activate every 10 days for 30 seconds.4G super-wide-range 1.7mm camera wth 170°wide-angle.

Two-Way Talk, WIFI doorbell use built-in microphone and speakers with noise cancellation, you can see, hear and speak to the visitors from your phone, tablet and PC.

Day or night, rain or shine, it allows you to take photography and record videos at any time. Video Doorbell protect your home in real-time, no matter where you are.

Easy to set up, comes with an innovative quick-release rechargeable battery pack, so you can charge your doorbell without moving the device.

PIR motion detection, get instant alerts when visitors press your doorbell or trigger the built-in motion sensors, even work when the APP is off or the device is not in the recording mode. Please contact us if you have any questions