MAIN FEATURES:
1.9v battery(included);
2.Pull the metal pin to activate alarm;
3.130 Decibel Alarm Can Be Heard Up To 70 Meters Away;
4.Built-In Light for Added Safety; Built in flashlight by pressing a button to turn and to turn off.            
5.Can be attached to the wrist and your bag/luggage, or used in the home on the door handle and a fixed fitting.                 
6.Suitable for joggers, elderly, disabled, night shift workers, alone people.
7.Dimensions (L x W x H): 75x 58 x 33mm