PS-MT Skylink Wireless Motion Sensor for SkylinkNet Connected Home Security Alarm & Home Automation System and M-Series.  110 Degree PIR Sleek White Motion Sensor. 110 degree motion detection with adjustable sensitivity setting. Wireless range up to 600 feet in open area (Sensor to HU-100 Internet Hub or M-1 Main Console/Indoor Siren) Motion Detecting range up to 10 feet away. Compatible with SkylinkNet iOS Apple & Android App and M-Series. Lifetime Support: Toll Free 1-800-304-1187; Email: support@skylinkhome.com