Features: Equipped with spine chilling sound effects and durability alloys construction, this Halloween doorbell creates immersive haunted atmospheres while ensuring outdoor security and weather resistance. Crafted from premium alloy with simple installation, the doorbell features voice intercoms and visual alarm functions, offering both festive scares and year round home protecting. Ideal for households with children/elderly and Halloween enthusiasts seeking interactive scares, it enhances safety through its visual monitoring capabilities. Perfect for Halloween gatherings, and daily home security needs with its weatherproofed design. Combining eerie ambiances with practical features like two way communication and night, this versatile doorbell serves as both holiday decoration and reliability security hardware. Specifications: Type Option:01/02 Dimension:20×15cm/7.87×5.91in Component:iron The function model needs to have two 7 number batteries. Package Includes: 01:Horror Doorbell (Ornaments) 02:Horror Doorbell(Functional model) note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.