This Holiday Season Give the Gift of Love and Protection to your Loved One. Heart shape 110dB personal security alarm adds extra protection for woman in daily routine. Ear Shattering, Attention grabber alarm is little, lightweight and the silver metallic color coordinates with all colors. Great gift for anyone, business, college, high school that want that extra protection Very smart and fashionable fastens to purse, key ring, luggage, computer bag etc. Easy on/off side switch for easy activation. Reinsert pin and use again. Captive pin to avoid accidental activation. CE certified/ABS case. Attachment ring at top of alarm, 2 button cell replaceable batteries included.. 110db 1 3/4 x 3/4 x 2 inches 4oz