Description: Advanced Wireless Connectivity: This smart video door bell features double-band wireless WiFi connectivity (5GHz+2.4GHz), ensuring a stable and reliable connection for seamless operation. Versatile Storage Options: The door bell supports both memory cards and Apps Cloud storage, allowing you to easily save and access your video recordings. It also supports an external Micro card up to 128GB for additional storage. Powerful & Detection: Equipped with a built-in rechargeable 7000mAh, the door bell ensures long term performance. It also supports human detection with 3 adjustable levels, providing enhanced security for your home. Multifunctional Features: The smart door bell offers various functions including alarm, 2 way audio on the phone APP, and remote wake up/ wake up capabilities, offering you more control over your home's security. Sturdy & Weatherproof: With an IP65 waterproof rating and a working temperature range of -20 to 60C, this video monitor door bell is designed to withstand harsh weather conditions. Package includes: 1 WiFi Smart Video Door Bell, 1 Indoor Receiver, 1 Charging Cable, 1 Pack of Screws, 1 Back Sticker and User Manual. Specification: Material: PP Size Chart: 151x55x34mm/5.94inchx2.17inchx1.34inch Package Includes: 1 Set Door Bell Machine Note: Please allow slightly errors due to manual measurement and different monitors.