Production Description: Working Mark-X Science Tricorder replica by EFX with fully functional electronics featuring sequencing LED's, opening and closing ratchet sounds and display base with numbered plaque signed by actor Brent Spiner. Item has a small scratch in the left side of the body. Technical Description: Tricorder is made from metal body painted silver with applied graphics. Features working electronics that are activated when the unit is opened. Electronics feature a sequencing LED light pattern and sound and are activated by a magnetic reed switch. Base is made from cast resin painted silver with a black plastic bottom, and features a black metal plaque stand with a silver metal plate that is engraved and signed on the front. Items measure 3.2in x 4in x 1.5in.