DWA-4-2500 ( DCPT) transmitter less pictured probe
The DCPA-2500 is a driveway alarm kit that is used to detect vehicles only. The transmitter operates on four cr123a batteries (included) .The transmitter is weatherproof and meant for exterior locations. Operating Range: -30°F to 120°F *Actual range will vary depending on the environment. Note: this transmitter is only compatible with the 2500 series receivers.
This transmitter will be able to be used without removing the existing probe.