Specification： Product model: AF-2004 ALarm decibel: 130db Battery : 3.7V / 130mah Alarm duration: 70 minutes Lighting time : 240 minutes Flashing time: 300minutes Alarm frequency: 2.9~5KHz Standby current: <4uA Flashing current : <30mA Lingting current : < 55mA low battery prompt : 3.3V Material: ABS Weight: 28g Charging time: 1 hour Color: Black Package including: 1XAlarm system 1XCarabiner 1XType-C Charging Cable Features:1.PROFESSIONAL SELF DEFENSE EQUIPMENT: Our personal alarm for self defense is one of the loudest alarms on the market!2.LOUD 130dB EMERGENCY ALARM: When threatened, activate Police LOUD siren and flashing sos-light to create a diversion and to help deter an attack. The alarm is as loud and can be heard at a long distance!3.LED FLASHLIGHT WITH SOS MODE: Can also help to protect you! When shined in the eyes of an attacker, can have a temporary blinding effect making it easy for you to run away or call for help!4.NON SLIP RUBBER COATING: Mold this personal security alarm to your hand for a firm and comfortable grip.5.INTERNAL RECHARGEABLE BATTERY WITH LOW BATTERY WARNING: Our personal alarm keychain plugs into a type-c outlet for a complete recharge. Specification： Product model: AF-2004ALarm decibel: 130dbBattery : 3.7V / 130mahAlarm duration: 70 minutesLighting time : 240 minutesFlashing time: 300minutesAlarm frequency: 2.9~5KHzStandby current: <4uAFlashing current : <30mALingting current : < 55mA low battery prompt : 3.3V Material: ABS Weight: 28gCharging time: 1 hourColor: Black Package including: 1XAlarm system 1XCarabiner 1XType-C Charging Cable