★ Also listed on other flea market apps, so please forgive me if it sells out. (※ Prices may differ due to sales commission fees) xotic RC booster First Generation Red LED Handwritten serial number without a frame, where the LED position differs from the later models. The handwritten ink has mostly worn off, but it looks like #○40○ (○ is unreadable). No operational problems. The unit only will be sent. Xotic Xotic Effects RC Booster Brand: Xotic Effects