Kotobukiya Modeling Support Goods Miraito 316 Blue of 16mm in Plastic Model Kit M.S.G [Set 3] Approx. length, Non-scale

(C) KOTOBUKIYA A tiny lithium battery with an LED. The battery part has a diameter of approximately 3mm. The "316 Blue" has a total length of approximately 16mm and a capacity of 12mAh (battery life of approximately 30 hours or more). By modifying plastic models in various ways and incorporating "Miraito" (a type of LED light), it's possible to create illuminated effects in a small space. The LED on the head turns on when you push it in and turns off when you pull it out.