LED DC Magnifier Handle, Power Battery, Diopter -, Focal Distance 150x35, Lens Diameter Not Applicable, Battery Size C, Case Plastic, Features Large Non-Slip Switch, No Filter Produces Cold White Light, Orange Filter Produces Warm White, and Yellow Filter Produces Virtual Daylight, For Use With Magnifying Lens Heads, Includes Orange and Yellow LED Filters, Lens Not Applicable