• 1) Size: 71 x 56 x 23 mm;
• 2) Main materials: ABS plastic, PCB, electronic components;
• 3) 9V battery not
included;                                                                                                                                                                                                                                                          
•4) Pull the metal pin to activate alarm;
• 5) Especially with a door alarm accessory;
• 6) 130 decibel alarm can be heard up to 100 meters away;
• 7) High quality, looks cute and lovely;
• 8) Can be attached to the wrist and your bag/luggage, or used in the home on the door handle and a fixed fitting.
• 9) Suitable for joggers, women, child, elderly, disabled, night shift workers, alone people.