Sensor may be placed as far as 1000 feet (line of sight) away from receiver;Will not be triggered by animals, people or shadows;Maximum optimal range for vehicle detection is 12 feet;Easy installation;1 year warranty from the date of original purchase

• Safety Technology International, Inc. STI-34150 Wireless Driveway Monitor (battery powered) - Part of the Wireless Alert series

Safety Technology International, Inc. STI-34150 Wireless Driveway Monitor (battery powered) - Part of the Wireless Alert seriesSafety Technology Intl