Vibrating Alarm Bracelet - Silent Wake-Up Watch with Gentle Vibration acrylic wall clock Does the box require batteries

Does the box require batteries or any power source

"text":"This clock requires 3 carbon #2 batteries (not included)

and 40 cm (16 in)

Avoid abrasive cleaners that may scratch the finish

Vibrating Alarm Bracelet - Silent Wake-Up Watch with Gentle Vibration acrylic wall clock Does the box require batteriesWake up on your own terms no jarring beeps, no disturbed partners, just a quiet vibration that eases you into the day. Silent Vibration Alarm IP65 Waterproof Rated 7 Day Battery Life At CasaClock, we believe the way you wake up sets the tone for your entire day. This vibrating alarm bracelet replaces the shock of a traditional alarm with a calm, personal vibration felt only by you so the people around you can sleep undisturbed while you rise refreshed