IP44 WATERPROOF: design material it's waterproof and makes your alarm more on or by accident. TWO ALARM MODES:DOUBLE the SOS button or PULL the chain out of the device (Alarm is off when long SOS button or insert chain in) - When you open the alarm(Either way),the LED dazzling flash lights accompanied by loud alarm sound - 125db PERSONAL ALARM: The emergency alarm can make a 130dB loud sound to draw attention to protect you from having an emergency.In addition,the sounds could last 50 minutes continuous ear-piercing alarm at full power. RECHARGEABLE PERSONAL ALARM:Include the charging cable you can charge it in anywhere when it runs out of power,it has a recirculating rechargeable battery make the product more efficient and convenient. MULTI-FUNCTION LED LIGHT: With LED lights 2 MODES always light and flashing light - ALWAYS LIGHT can be used as emergency flashlight when you walk down the dark aisl;You can also use them for traveling,hiking,camping and dog walking at night. - FLASHING LIGHT Increased safety factor. When you pull the alarm,the LED open the flash mode accompanied by loud alarm sound and dazzling flash lights,the bright light can locate your place more quickly while the sound attracts people nearby. PORTABLE: The safety alarm keychain has a portable size for easy storage and carrying; It can be attached to women's bags,backpacks,school bags,belt loops,suitcases,keys,dog belts and so on; And you can take it even you are on the plane.Suitable for people at all ages such as students,elderly,children,women,night workers,night runner and so on. colour:Pink Material: PC+ABS Size:70*36*17mm Package Contents: 1* alarm 1*USB data cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.