✔【100% WIRELESS, Easy Installation】No wire is needed to connect the doorbell and monitor. It adopts 915MHz frequency band for signal transmission. IT DOESN'T SUPPORT CONNECTING with WiFi. IT DOESN'T SUPPORT CONNECTING TO MOBILE PHONE APP FOR USE. 915MHz frequency band has better penetration performance. Signal penetration can penetrate about 2 walls(ATTENTION:Except load-bearing walls).The actual signal performance depends on the usage environment. ✔【7 Inches 1080P TOUCH SCREEN MONITOR】Wireless 7 inches TOUCH SCREEN MONITOR with minimalist system, easy operation like smart phone. The resolution of screen is 1080P, provides you with clearer images. You can place it everywhere, just connect a plug for the screen. All functions are integrated on the monitor for you to control, including answering the call, unlocking the door, monitoring and etc. ✔【No Monthly Fees】The events are stored in the TF card(included) inside the indoor touch screen monitor, you can view them on the monitor. Most important of all, NO SUBSCRIPTION and MONTHLY FEES will be charged. Due to the TF card is inside the monitor not the doorbell, you don't need to worry about the data lost that have no evidence for police if someone steals or damages the doorbell. ✔【Motion Detection & 160° Wide Angle Lens】Alert will be pushed to indoor monitor once the movement is detected(within 5m), it will automatically take an video and then save in the TF card(included) of indoor monitor, you can view it on the monitor. 160-degree wide angle lens give you wider field of view, never miss any coner. ✔【Night Vision & 2-Way Audio】The doorbell camera is equipped with day/night vision automatically switching function and 2-way audio. When visitors press the doorbell, no matter day or night, you can clearly see the visitors' face and have a real-time video talk each other on the monitor or your cell phone. Package include：doorbell camera, monitor, battery, unlock module, TF card, USB cable, adapter, manual › See more product details