Made by Sakatsu Material Non-scale This board is designed to light up up to 4 LEDs with connectors (sold separately) in a flickering flame like light. (If you need fewer LEDs, no problem.) Each of the four LEDs has a different pattern of random flickering. This board can be used as an extension to the basic board (either always on or flickering) and with an extension cable (sold separately). Board size: 29.5mm x 20.5mm Suitable input voltage: 3.5V to 5.5V Input limitation: Guaranteed to work only with the power supply from the basic board (or an additional board already added) via an additional cable (maximum: 1 basic board + 4 additional boards) LED: Only guaranteed to work with LEDs with connectors from Sakatsu Gallery Please note: The wiring is exposed and should be handled with care and is not suitable for use by persons under 16 years of age. Information edited by Sakatsu Gallery This is a board that can be added to the basic board. Up to four connector LEDs can be connected to this board to provide a flickering light. ED with connector Variety of series Battery Case AC Adapter Always-on basic board Always On Additional Board Twinkling light basic board Wobbling Lights Expansion Board Cord for extension