www.osossystems.com Supply, installation, and maintenance of all types of surveillance cameras (mobile number appears when pressing the contact button). Intercom (Smart door entry system for doors with control via screens inside the house, enabling you to see and speak to visitors from the screen and your mobile, and linking them to your mobile so you can open and close the door via mobile and screens as well). Telephones and Access Control (Single-line phones - Two-line phones - Attendance and departure fingerprint - Smart locks - .... etc.). Network Extender (Covers the network 360 degrees and reaches the farthest distances). Burglar Alarms (Wired and wireless alarms that ensure your site's security when you are away). Audio Systems (Best types of speakers connect to mobile via Bluetooth and Wi-Fi).