1.Please keep charging for more than 20 hours when using the battery for the first time!
2.When you buy battery by yourself, please choose the raised one in the picture below!
Only need this wifi doorbell can help you solve these problems
KERUI 720HD video doorbell with enhanced features that let you see, hear, and speak to anyone from your phone, tablet, or PC
Two Way Audio
Built-in microphone and speaker allows for real-time 2-way talk and enables you to see, hear and speak with visitors from your mobile phone, tablet, or laptop wherever you are, no matter you are engaged in working or jogging in the park, you can keep an eye on your door and remote control it on your APP
