Check the listing for details. Intermatic Wireless Alarm with Motion Sensor (new). Condition: New. Listed at 18.00 USD. The Intermatic Wireless Alarm with Motion Sensor (model SP230) is a versatile mobile alarm system that offers both outdoor and indoor surveillance capabilities. With wireless connectivity, this alarm can be easily installed and monitored without the need for complex wiring setups. The motion sensor feature allows for added security and peace of mind, ensuring that you are alerted whenever there is movement detected in the vicinity. Perfect for homeowners looking to enhance their home surveillance system with a reliable and efficient alarm system.