Expansive Vision 180degree viewing angle lets you see who is at your door without missing details or visitors. Sleek Modern Design Contemporary appearance enhances your door's aesthetics while making installation quick and straightforward. No Cover Eliminates the need for cumbersome covers; the peephole viewer is always ready for immediate use. Key Attributes Function: provides a wide 180degree field of view for reliable visitor recognition. Compatibility: designed for standard peephole door viewers and typical residential doors. Size: exact dimensions vary by model; refer to the product specifications for your unit. Material: specific materials vary by model; check the product listing for details. Performance: always ready to use without delays or additional setup. Use Scenarios Home entry: quickly verify visitors before opening the door, improving security and peace of mind. Package deliveries: assess who is at the door to determine whether to answer or authorize entry. Shared or multitenant entrances: monitor visitors and guests efficiently without extra steps.