The Ajax StarterKit 2 wireless alarm kit consists of the Ajax Hub 2 control panel, the Ajax DoorProtect opening sensor, the Ajax MotionProtect motion sensor and the Ajax SpaceControl security alarm key fob. Ajax StarterKit 2 can be supplemented with 25 IP video cameras and up to 99 wireless devices of the Ajax alarm system, various sensors; opening, glass breaking, movement, vibration, detection of gas and water leaks, sirens, keyboards and others. Ajax StarterKit 2 signalling kit devices work with Ethernet and GSM 850/900/1800/1900MHz and are based on the Jeweler radio protocol for transmitting information at 868MHz. And thanks to the particular Wings protocol, photo-verification of alarms are sent. The user is informed about the occurrence of alarm situations by push notifications, phone calls or SMS. Set-up and maintenance of the set devices are carried out using a mobile application for iOS or Android. It is also possible to remotely control the security system with a Ajax SpaceControl key fob with four buttons. The wireless sensors of the alarm set are installed at a distance from the control panel in the line of sight up to 2000 meters. Pings constantly check the performance of devices with a selected period in the range of 12-300 seconds. The motion detection distance of the MotionProtect motion sensor is up to 12 meters at a viewing angle of 88.5° horizontally and 80° vertically. The detector does not work when an animal weighs up to 20 kg and is up to 50 cm tall, moves in the field of action. The DoorProtect opening sensor is triggered when the opening gap increases more than 2 cm. panic button. The control panel has a built-in Li-Ion 2Ah battery. When the internal 110-240VAC power supply is disconnected from the communication line, it will provide the alarm control panel with 16 hours of backup power. CR123A Batteries power the sensors, and CR2032 batteries power the key fob. The life of sensors on one battery is up to 7 years.