Features 1、[HD Display] Get a clear and vivid view of your visitors with 0.3MP professional camera and 2.4 inch HD display. See who is at your door without squinting or straining your eyes. 2、[Wide Angle Lens] The 120 degree wide angle lens allows you to have a broader and more comprehensive view of your entryway. Do not miss any details or potential threats. 3、[Zinc Alloy Peehole Camera] Zinc alloy has good room temperature mechanical properties, wear resistance, and strong impact strength, can effectively prevent prying and smashing, better protecting the safety of your home door. 4、[Two Power Supply Methods] This digital door viewer supports 3 x 1.5V AAA batteries ( not included) power supply and 5V 1A USB charging, more flexible. 5、[Home Security] When someone rings the doorbell, the screen will display the picture outside the door, convenient for the elderly and children to see outside the door, improving home safety. Specification Item Type: Digital Door Viewer Material: ABS, Zinc Alloy Resolution: 240x320 0.3MP Camera 2 Power Supply Methods: 1. Battery: 1.5V AAA Battery x 3 (Not Included) 2. Micro USB Interface Storage: Small Memory Card (Not Included) Package List 1 x Monitor (Battery and Small Memory Card Not Included) 1 x Camera 8 x Screws 2 x Washers 1 x Accessory 1 x Instruction manual