The LX-802N is robust, weatherproof and specifically designed for short to mid-range and narrow outdoor applications, such as triggering lighting or camerasWith advanced features such as sensitivity and range adjustment and a built-in light sensor providing day and night modes, the LX-802N is highly versatileWith Double Conductive Shielding, the LX-802 is resistant to interference from foreign light sources such as the sun and car headlights