Remove battery when vibration slows or ceases. Do not leave depleted battery in device. Replace batteries only in a dry environment.Dispose of batteries in accordance with local regulations.Caution: Insert AAA Alkaline battery, correctly and do not short circuit.If a battery leaks, wipe device clean with a damp cloth and wash hands. If any material gets into the eyes, contact a doctor immediately.Keep batteries away from children. If swallowed, consult a physician at once.