1、Digital LCD Screen: The digital LCD screen gives you the clearest picture. Large button design, comfortable to touch. 2、Anti Interference: Surge protection function to avoid damage caused by strong current such as light strikes, using anti pulse anti interference technology, the product is more stable. 3、Ceramic White Outlook: The ceramic white elements is simple but not simple, the appearance is popular and luxurious, and the use of novel materials and unique appearance treatment technology has achieved its delicate and perfect characteristics. 4、ESD Protection Function: ESD (electrostatic protection) protection function, strong environmental adaptability. Can be used in apartments, villas, hotels, offices, public buildings, etc. 5、Supported Functions: Video doorphone supports monitoring video, intercom, unlocking, and other functions, easy to install, stable wired connection, to provide protection for home security. Item Type: 7inch Video Intercom System Material:ABS Color: White Type: Indoor Unit Screen Size: 7in Installation Method: Hands Free Wall Hanging Scope of Application: Can Be Used in Apartments, Villas, Hotels, Offices, Public Buildings, Etc. Function: Support Surveillance Video, Intercom, Unlock, Emergency Call, Call Management Center and Other Functions 1 x Indoor Unit 1 x Power Adapter 4 x Long Screws 4 x Short Screws 4 x Screw Sleeves 1 x User Manual