👍Long range singnal, the door sensor built in long antenna, can covers up to 2,500sq. ft. You can Choose the Alarm kit that fits your needs and add additional components and accessories at any ...

Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars… ...

👍Long range singnal, the door sensor built in long antenna, can covers up to 2,500sq. ft. You can Choose the Alarm kit that fits your needs and add additional components and accessories at any ...