New backpack reading lamp, lamp cap lamp clip to flash small flashlight, plastic shell COB patch lamp bead, light is white, green and blue 4 color can be mixed, light weak light flashes three gear, configuration within 2 2032 button batteries, button on the back of the belt penholder it is a multifunctional clip lamp, color has red, blue, green, white 4 colors mixed, box packing a display box box 24, 720