Smart Video Doorbell, Wireless WiFi Camera Intercom Doorbell 2-Way Audio Video Doorbell Camera with Chime Smart Security Doorbell with Cloud Storage Real Time Monitoring for Entrance HD Night Vision + Home App Sharing

✔STRONG SIGNAL RECEPTION: long reception distance, can penetrate 3-4 walls, and the open distance range can reach 150 meters. In open areas, it is ideal for large houses, including villas, apartments, offices, shops, warehouses, etc.
✔DIVERSE DOORBELLS: 38 chords can be switched freely, choose a unique ringtone that is different from your neighbors, and you are not afraid of hearing the wrong sound. There are many things in life.
✔ADJUSTABLE VOLUME: There are 3 levels of volume adjustment. Family members can use 3 levels to adjust the volume. You can hear it on the balcony, kitchen, and even in the bedroom.
✔DIFFERENT SOUNDS FOR DIFFERENT SCENES: multiple buttons to set different ringtones. The host can be equipped with multiple buttons corresponding to different positions. The receiver can be programmed with different chimes to differentiate between front and back doors, what music is played and where visitors are located.
✔MANY FUNCTIONS: When the elderly, infants, and pregnant women need to sleep alone, they can be informed with just one click. Put the power bank into the Ding Dong machine and it can be used at any time.