Description: Features: 100% brand new and high quality. It is unnecessary to charge this key chain security alarm because it features long standby time. It can also serve as emergency lamp at night, which is multi-purpose. This key chain security alarm features high-decibel alarm sound and high brightness, which can scare off bad people and easily draw people's attention and allow you to seek them for help. Made of ABS material, the key chain security alarm is eco-friendly, durable to use. The length of the key chain security alarm is 7.3cm, width is 4.1cm and thickness is 2.1cm. The key chain security alarm is suitable for women runners, for gravida, for kids, for older man and so on. Item Name: Key Chain Security Alarm Material: ABS Alarm Sound: 130dB Charging Voltage: 5V Charging Current: 1A Battery Capacity: 130mAh(Included) Charging Time: about 30Min Lighting Time: about 75Min Alarm Duration: about 50Min Flashing Time: about 5.5H Features: Self-defensive, High-decibel, Easy Operation Size Details: 7.3cm x 4.1cm x 2.1cm/2.87" x 1.61" x 0.83" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Double click the S0S button to start the alarm or long press the S0S button to close. Package Includes: 1 x Key Chain Security Alarm Note: 1. Due to manual measurement, there may be a slight tolerance of 1-3cm. 2. Due to difference between different monitors, the picture may not reflect the actual color of the item.