It features LEDs that represent every light in the ship. The set is “plug and play” and requires no soldering or advanced knowledge of electronics. Top and bottom beacons even flash in time. The battery box (3 AA batteries required, not included) get hidden inside the model. Clear red parts are included for better colour quality for lit parts. A 2” x 8” sheet of photo-etched brass supplies exquisite detail for parts that had to be oversized in the plastic kit and include window frames for the battle head. A pictorial instruction guide is included. STAR TREK modellers will not want to miss this! Kit Features: Skill 3, paint and cement required All wiring included No solder required Power supply and plug-and-play circuit board hidden inside model Blinking beacons Coloured clear plastic parts Photo-etch parts Requires 3 AA batteries (not included)