[Good Material] The shell is made of premium ABS material, which is reusable and durable to use. It has free cloud storage, convenient to store important video. [Infrared Night Vision] The wireless doorbell has infrared HD night vision. It lets you see outside the door more clearly at night or in other low light situations, protecting your family day and night. [With Dingdong] When a visitor rings the doorbell, the room dingdong rings to alert you to a visitor. You can also see visitors from your smartphone to keep you safe. [2-Way Calls] This wireless video doorbell is 2-way calls and low power remote intercom. It is very intelligent and protect your home. It supports Android 4.3 or iOS 9.0 or above. [Widely Uses] Wireless doorbell camera is widely used in homes, apartments or offices, especially for families with girls, children and elderly. Guard your home day and night and keep your family safe. Parts List: 1Doorbell 1Dingdong 1Instruction Manual 1 Charging Cable Product Specification: Product Name: Video Doorbell Material: ABS Color: White Product Size: Doorbell: 88.75026mm Dingdong: 494627cm Lens: 480P 640480 Resolution Video: Color Power Input: 5V-2A Voice System: Two-way intercom/mobile phone remote prompt viewing Recording Range: 5M Cloud Storage: Free Forever Wireless Connection: WIFI IEEE802.11b/g/n 2.4GHz, rf433MHz System Support: Android 4.3 or iOS 9.0 or above USB Interface: TP-C/DC5V-1A APP Name: ULooka Notes: 1.The product is reusable. 2.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 3.Please allow slight dimension difference due to manual measurement.