UT-4000 Universal Transmitter The UT-4000 operates on a 3V lithium battery and has several methods of activation. The product’s push button can be used as a panic button or a wireless doorbell. There’s also a magnetic door/window contact and terminals for both a normally open (N/O) and normally closed (N/C) input. DCMT-4000 The DCMT-4000 is a passive infrared wireless motion detector with a 1 mile radio range, depending on the local terrain. The DCMT-4000 sensor operates on one 9V battery and will detect a person or vehicle from over 50 feet away and send a signal back to the receiver within a 1 mile. DCPT-4000 The DCPT-4000 is a driveway alarm kit that is used to detect vehicles only. The transmitter operates on four CR123a batteries and has 50 feet of direct burial wire connecting the probe to the exterior case. The probe is buried parallel to the driveway, and will detect vehicles passing by within approximately 10-12 feet and send a signal to the DCR-4000 receiver up to 1 mile away, depending on the local terrain.