Vibrating Alarm Bracelet - Silent Wake-Up Watch with Gentle Vibration watch cushion Battery: Insert one dry cell

Battery: Insert one dry cell battery (size per manufacturer spec on battery compartment) before hanging

"name":"Does the box require batteries or any power source

secure way to carry watches on the go

Energy-Saving ModeAutomatic brightness management and an energy-saving mode keep battery drain low

Leveling: Hang the clock level so the pendulum swings freely and evenly for best performance

Vibrating Alarm Bracelet - Silent Wake-Up Watch with Gentle Vibration watch cushion Battery: Insert one dry cellWake 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