2.Crossing defence area can be set.

3.Resist interference of electromagnetic, spotlight and pet immunity.

4.Low consumption current with 2pcs "AA" dry battery powered for 1 year.

5.Two levels sensitivity setup and temperature compensation for reliable alarm.

6.One-way or two way direction alarm are available to be set.

7.Direction recognition and time are adjustable in one-way mode.

8.With SAWF wireless transmission technology