Colour Name:Black Functions: 1. Beautiful egg shape design, cute and adorable. 2. It has a 120dB alarm, which is the loudest personal alarm. 3. Can be used as a single woman against wolf alarm. 4. Child safety alarm for children on the road. 5. The older rescuers and other purposes. Description: Help you get out of the emergency situation. Portable size, can be a pendant on your bag. Emergency alarm to attract the attention of passengers. Technical data: Material: plastic. Colour: white, pink, black, blue. Item size: 65 x 40 x 15 mm. Package includes: 1 x emergency alarm. Please note: 1. Due to the difference between different monitor settings, the image may not reflect the actual colour of the item. The style is the same as shown in the pictures. 2. Due to different personal measurement techniques, there may be a physical error of 1 to 3 cm. Thank you!