Place above bed or in hallway reduces resident tampering. Continually indicates signal is being received from sensor pad and system is working. If broken or out of range, monitor alarms and indicates signal is lost. Adjustable volume. Optional Setting: Caregiver w/key can reset monitor with Caregiver Key. Battery operated (3-AA not included) or optional AC adapter (AC-05). Low Battery notification. Monitor Not in Use notification. Nurse call capability – Plugs into existing nurse call system. Multiple alarm tones.Protective Boot. Works with CordLess bed or chair sensor pads, CordLess® floor mats, and Infrared Motion Sensor PIR-01. TL-2100G UNSPSC#42143607 (MDT8800)