• When someone press the doorbell, it will capture images and push a notification to your smartphone immediately; with built-in mic, you can see and talk to your visitors at anytime and anywhere.
• Strong and stable signal, easy to pair up, the transmission range between the doorbell and chime is up to 10 meters; with USB power supply, easy to install, no worry of low battery.
• Using App:  "Kement" App
• Battery Charging : Type C Cable (Included)
•  Bell Size : 2" x 1" x 3.2" (L xW xH)

Package :

• Doorbell
• Tape
• Chime(Optional)
• USB Cable 
• 3 Screws
• 2 Anchors