ballast and igniter unit 54 thereby locking the light source 12 into position and pivoting the top of the release handle 50 further from the exterior surface 46 of the side wall 42 during detachment of the light source 12 from the base 14 either release handle 50 may be squeezed toward the side wall 42 the fingers 51 are pivoted outwardly rotating the spacer to a vertical position the light source 12 may then be lifted by the handle 94 as the guide pin 66 is removed from the l shaped recess 156 the spring 166 thrusts the shutter element 162 over the rectangular opening 150 protecting the electrical element not shown mounted therein from exposure to the environment it should be mentioned that the protective design of the light source assembly 10 enables it to have an ingress protection level of 65 ip65 rating referring now to fig5 and 6 the cradle is able be oriented in a plurality of position by the pan and tilt unit 16 the pan and tilt unit 16 is controlled by a wireless remote control system not shown as known in the prior art for example from u s pat no 5 673 989 however it should be noted that the pan and tilt mechanism may be electronically controlled for example by a joystick not shown attached by a cable the tilt mechanism 18 of the pan and tilt unit 16 is.