KEYENCE REVOLUTOR H-610 radio-controlled helicopter, with remote control. Tail rotor - Brand: KEYENCE - Model Name: REVOLUTOR H-610 - Type: Radio-controlled helicopter - Controller: With remote control - The tail rotor is present, but the main rotor is missing. The vertical stabilizer is broken. The remote control powers on. The helicopter's motor seems to be working, but I'm not sure. The main battery is deteriorated and not included. For those who can repair it by purchasing the missing parts, or for parts. Thank you for looking.