Alarm Card is a card type personal safety alert device. With its built-in photo sensor which reacts to light. It can protect your wallet and valuables from loss and theft when you take public transportations, go down town or travel abroad. Characteristic: To protect from loss of wallet, passport etc; Operating theory using high photo sensor; Built-in high sensitivity micro speaker; Product of card type easy to put in various wallet and easy to carry; When your wallet or valuables come off from the pocket, Alarm Card will give an alarm Characteristic of the products To protect from loss of wallet,passort and other valualbes Operating theory using high photo sensor Built-in high sensivity miro speaker Product card type easy to put in various wallet Printing in accordance with request Mail:judycys at 163 dot com