MG1000-450 12 Volt Exterior Motion RV LED Porch Light, RV Security Motion Porch Light, White Motion Detection fixture with 150 degree detection radius, range to 35' Installs easily and has Polarity Guard, so fixture is NOT Polarity Sensitive INTELA-SENSOR alerts when battery is LOW with Blinking RED LED Is the ONLY FIXTURE that is EMI SUPRESSED so as to protect the electroncs in the RV Has Day/Night sensor and can function as a regular Porch flood Light