2.4G DIY Wireless Home Security Burglar Alarm System — Door Sensor, Motion Detector & Keyfobs — 433MHZ, Easy to Use

LCD display with capacitive touch buttons for straightforward operation. Programmable for 6 groups of alarm calls and 3 groups of SMS alarms. Features a one-way relay alarm linkage output and supports 4-way wireless control of home appliances. Offers timing arm/disarm, delay arm, delay alarm functions, and the alarm time can be reset. Built-in high-capacity lithium battery ensures the system continues to work properly when mains power is off.