Zircon 61897 StudSensor SL: * Finds the edges of wood or metal studs * Use for hanging pictures or mirrors, install drapery rods, plant hangers, towel bars, closet organizers, cabinets and shelves * Finds the edges of studs up to 3/4" deep * SpotLite Pointing System shines a bright beam of light over stud edges * Bright LED"s and audio signal indicate stud edges * Ergonomic shape to fit in your hand * Pocket clip for a smaller, user friendly profile * Tough for jobsite use * Carded