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. Little, lightweight, powerful On/Off Side Switch for Easy, Reinsert pin and use again, No Accidental Activation Captive Pin CE Certified/ABS Case Fastens to Purse/Key-Ring/Luggage/Computer Bag/Backpack/Lanyard... Red Metallic Alarm. Attachment Ring At Top of Alarm 2 Button Cell Replaceable Batteries Included (Plastic Strip Must Be Removed for Activation of Batteries). 100db Approx. 1 3/4 x 3/4 x 2 inches 4oz