It comes with 1 receiver + 2 motion sensors, place the motion sensors anywhere inside or outside your home or property to guard your home. Six-way alarm system, each zone can be equipped with up to 10 PIR or Magnetic Parts Accessories, grouped into 6 zones. Additional motion detectors, window and door sensors can be purchased separately as add ons to the receiver. Reliable range up to 150 meters from wireless motion detector to receiver, Sensor Motion detecting range of up to 5-8 meters, transmits a wireless signal to the compatible receiver when motion is detected.Siren sound with volume up to 80dB (within 0.5 meters), 3 level of adjustable volume, 2 Mode Choices (Alarm + Flash or only Flash), with auto-learning code button on the sensor, it is much easier to pair with the receiver. This product differs because of the useful panel to show you which area has been triggered. And the system has an undervoltage display, with Six Red LED on the alarm blinking at the same time when the battery voltage is low. It can monitor the sensors and the battery condition automatically.
Disclosure: I was not compensated for this product, however I did receive this product to try and review all opinions are my own and may differ from yours. In Accordance with the FTC's 16 CFR, Part 255:"Guides Concerning the Use of Endorsements and Testimonials in Advertising