3 pack blue LED micro effect light with flash blink strobe control 9 volt battery operated for props and scenery<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> The LED lens is clear with a 30 degree output angle for a narrow beam </span></li><li><span class="a-list-item"> The MED1 Micro Effects Dimmer provides dimming and multimode effects </span></li><li><span class="a-list-item"> Output light is blue (467nm Typ. 5，000 mcd Typ.) </span></li><li><span class="a-list-item"> 3 pack lights， controllers， and 9 volt battery clips. COO: China. Batteries not included </span></li><li><span class="a-list-item"> MEL Light Body shell: ABS (black)， length 1.42” ref. x 0.48” dia. Ref. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41UP2YpzP6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51a9UGtWvYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51RPB57BhqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31xSO9uRvuL.jpg" noproxy>