PLEASE READ: THIS IS NOT A DX TOY!
Ghost Grateful Damashii Ridewatch, from the "Sound Ridewatch Series - SG Ridewatch 03" candy toy series! Ridewatches feature electronic sound effects and can be used with compatible DX-series Kamen Rider Zi-O toys (such as the DX Ziku Driver, sold separately). From Kamen Rider Zi-O!
Please note that candy toy versions do not have lights or rotating bezel features like the DX versions. Also the top button is non-functioning; the buttons to activate sound effects are on the side.