Features: Use doorbells for hands-free home monitoring. When anyone presses your doorbell or triggers the built-in motion sensor, your device will light up and post a notification, so you will always know someone is there. If you possess for Echo Show or Echo Spot, you can also see, hear and talk to anyone on the camera. HD 720P imaging, clearer, two-way noise reduction voice intercom. Support for cloud storage. 8 low-power infrared night vision lights, IR-CUT dual filter automatically switch between night and night, the maximum night vision distance is 10 meters. 125°wide-angle motion detection and push alarms to your phone for advanced motion detection. Customize your sports area and focus on the most important areas of your yard. The real IP65 level design, outdoor installation without worrying about rainy days. Low power supply design with 2 18650 batteries power (built-in). You can choose to use it with ding dong machine, and the volume is 110 decibels. Specification: Condition: 100% Brand New Material: ABS Color: As picture shown Processor: for HiSilicon Hi3518EV200 Cloud storage: Support Lens field of view: 125° Resolution: 1280*720 25fps Video compression: H.264 Two-way voice: Support for echo cancellation IR-CUT: Support 8 infrared night vision lights with a maximum night vision distance of 10 meters Power battery: 2*18650 universal Online users: multiple users watch online at the same time Power consumption: 170MA Wireless protocol: 802.11b/g/n 2.4G (5G is not supported) Waterproof rating: IP65 Support mobile phone: support for Android/IOS Size: 12.5*5*3.5cm/4.9*2.0*1.4in (height*width*thickness) Packing size: 16*16*6cm/6.3*6.3*2.4in Package List: 1 * Doorbell host(built-in 2 18650 batteries) 1 * Instruction manual 1 * Accessory box Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1、HD 720P imaging, clearer, two-way noise reduction voice intercom. 2、8 low-power infrared night vision lights, IR-CUT dual filter automatically switch between night and night, the maximum night vision distance is 10 meters. 3、The real IP65 level design, outdoor installation without worrying about rainy days. 4、Low power supply design with 2 18650 batteries power (built-in). 5、You can choose to use it with ding dong machine, and the volume is 110 decibels.