The included receiver can support up to 4 different motion detectors. It's ideal for monitoring boats, RVs, trucks, mailboxes or anything else you can think of.Four "AA" batteries will power the unit for approximately 2 years. The expandable Driveway Alert security system comes with one sensor and one receiver. Amazing range; the sensor has a 30' range and can transmit a signal to the receiver up to 1,200' away. Detects humans and vehicles, but ignores small animals. Weather shield included to protect sensor from the elements. Receiver features sound control and has an output to trigger external alarms or bells. Microprocessor code-learning technology eliminates false alarms - receiver responds only to transmitters assigned to it.
One sensor can communicate with multiple receivers in larger installations. Extremely easy to use and install - sets up in minutes. System includes 1 passive IR sensor & 1 receiver. Requires 4 AA batteries for sensor operation - can last for 2 years. Sensor & receiver each measure less than 4" x 3" x 2.Your business is greatly appreciated. Due to our high volume of requests we are unable to respond to best offers if they are not acceptable. We are not responsible for any damages/losses through the use of the items / services rendered. For your protection and ours, security stickers are added to all products and serial numbers are recorded. We will do what we can to deliver your order by date required. For your protection and ours all items are supplied with security tags and all serial numbers are recorded. This item is in the category "Home & Garden\Home Improvement\Home Security\Door Entry Systems & Intercoms". The seller is "pcmonde" and is located in this country: US. This item can be shipped worldwide.