Konlen Alarm & Automation System: The Konlen K1 Smart Alarm System is a DIY, easy-to-use security system with no monthly fees and contracts required. It could connect to the SIM network and use cellular SMS as backup communication. Brings you great peace of mind and take correct action in time for your home security needs. Features: The Android or iOS app allows you to control the alarm system at any time, from anywhere, in real-time, including Arm, Disarm, Alarm (trigger SOS) or setting up the system. The Konlen smart alarm system can manage all our official security accessories like Contact Sensors, Motion Sensors (pet-immune optional), Remote Controllers, CO Sensors, Gas Sensors, Smoke Detectors etc. It also works with Smart Cameras and Smart Plugs, which allow users to watch live video or recorded files, or turn ON/OFF the home appliances remotely. With built-in guidelines, users can run the system quickly even without a manual, including daily operations and professional settings. Save & Secure: When an unsafe event happens, like a break-in or pressing from panic button, the system will alert all emergency contacts with push notifications or SMS texts, while generating 100db built-in siren to scare off any intruder. The built-in battery could work more than 8 hours without external power. Package Includes: 1xGSM alarm panel 1xWired Siren 2xRFID key fobs 2xRemote Controller 1xPower adapter 1xUser Manual