Ideal Security SK6-Series Add-on Motion Sensor Wireless, battery-operated & weatherproof White Motion detector with a range of up to 26 ft Wireless: Triggers a receiver up to 25 ft away Receiver options include chime/alarm combos, indoor/outdoor sirens, and telephone auto dialers for remote notifications (SK618, SK623, SK626, SK632, SK633, SK634, SK642) Batteries and installation brackets included The motion detector will detect pets This motion detector is not compatible with Ideal's SK62 Motion detector with a range of up to 26 ft Wireless: Triggers a receiver up to 250 ft away Receiver options include chime/alarm combos, indoor/outdoor sirens, and telephone auto dialers for remote notifications (SK618, SK623, SK626, SK632, SK633, SK634, SK642) Batteries and installation brackets included The motion detector will detect pets This motion detector is not compatible with Ideal's SK602