end of latch receiver frame 18 and also extend vertically above latch receiver frame 18 motion detection zone 22 is established relative to latch receiver frame 18 whether or not gate 12 is mounted on gate mount 14 as suggested in fig5 a person shown in fig4 has now moved to enter motion detection zone 22 represented by a dot pattern and stimulated motion sensor 28 to provide a motion sensing signal to controller 30 in illumination system 20 because of the darkness in the navigation area 21 shown in fig4 photo sensor 24 is stimulated to provide a darkness sensing signal to controller 30 controller 30 in turn operates to turn on light source 26 and generate shine light 40 represented by dotted ray lines in navigation area 21 components of illumination system or lighting device 20 and latch receiver frame 18 of gate mount 14 are best seen in fig6 7 latch receiver frame 18 includes housing 42 having a front side 44 and a rear side 46 and housing cover 48 housing 42 and housing cover 48 are connected together by for example screws 50 and configured to include components of illumination system 20 illumination system 20 includes photo sensor 24 motion sensors 28 and light source 26 mounted on an upper portion 52 of latch receiver frame 18 light source 26 includes for example a light diffuser.