The SleepSense Embla DC Body Position Sensor with safety DIN connectors is compatible with the Natus Embla N7000 and Embla S4500 PSG systems. Warranty: 1 Year - Free of Defects in Materials and Quality Workmanship. The DC Body Position Sensor uses a gravity switch to provide a signal that is directly proportional to the patient's sleeping posture (supine, prone, left, right, or sitting). It is designed with a small size and contour for improved patient tolerance. SleepSense sleep-lab sensors are intended for use on children and adult patients who are screened during sleep disorder studies at a sleep laboratory or the patient's home. Note: SleepSense items are for professional use only, and are for sale by or on the order of a physician only. Specifications SleepSense Embla DC Body Position Sensor Specifications Signal Output: Type C - Five resistance values. Power: Battery, non-replaceable. Operating Conditions: 40 to 104 °F (5 to 40 °C). Storage Temperature: -4 to 140 °F (-20 to 60 °C). Operating and Storage Humidity: 5 to 95% (non-condensing). Configurations SleepSense Embla DC Body Position Sensor Configurations #1569: Standard (sensor only). #1569-Kit: With Body Position Buckle Band - Large (#1550) (shown in the second photo). Literature SleepSense Embla DC Body Position Sensor Literature SleepSense Body Position Sensors User Manual