Specifications: *Product Name:4.3 Inch Screen Wireless Video Doorbell Phone Security Camera Doorbell Intercom *Material: Plastic *Size: doorbell 8.5*4.8cm, display 9.3*11.2cm *Color: Black *Image sensor: GC0328/85 degree/6 infrared light fill lights *Display: 4.3 inch IPS screen *Video resolution: 640*480 *Viewing angle: 70 *Memory encoding: MJEPG *Battery model: 800mAh, lasting battery life 1-3 months [depending on different usage conditions] *SD card: supports up to 256G/MJEPG format [not included] *Audio information: built-in speaker, microphone *WIFI mode: 2.4G private protocol, transmission distance 1-150 meters *Power supply information: DC5V/2A *Operating temperature: -10C ~ 60C *Working humidity: 10% ~ 90% *Charging interface: Type-C *Language/Language: English, Chinese, Korean, Russian, Japanese, French, Italian, German, etc. Characteristics: * 12 languages freely switchable and 6-segment doorbell music selectable. * TF card support up to 128G; Automatically saves photos and records videos when the card is inserted. * WiFi-free wireless video doorbell for increased information security; easy wireless installation and one-click pairing; Two-way video intercom. * 4.3 inch IPS screen for clear viewing; 4G private protocol enables long transmission distances and stronger signal; Outdoor night vision function. * Ultra low power consumption and long standby time for the doorbell; Indoor unit with fast response in plug-in mode. Scope of delivery: 1x doorbell 1x display 1x charging cable 1x user manual