Attention: Welcome to my shop We ship the product from China, the delivery time is 7-14 days Description Size: 6cm x 3cm Material: ABS Powered by button batteries Sound Frequency:90dB Color: Pink, Blue Note: All colors are randomly sent. Features: - 100% brand new and high quality - Lightweight, compact design for easy carrying. - Clip to your handbag, backpack or use as a keyring to your wallet& 39;s zipper,cellphone& 39;s strap. - Perfect for students, joggers, elderly, disabled, night shift workers, people who live alone. - Pull the hanging pin to activate alarm to emit an ear-piercing sound to draw attention to yourself if attacked or in an emergency situations. - Insert the handing pin to the plug to turn off the alarm. The function of this products: Avoid Losing: Please hitch thing with accessory rope, and hitch the insert-piece rope over fixed place of your body. when the insert-piece is divorced from annunciator, the annunciator will give an alarm signal Defend lady-killer: Be applied to be public (as on the bus subway and other place), when you pull the insert-piece out, the annunciator will give an alarm signal, which can scare lady-killer and baddie away Also be used for protection kid& 39;s safe How to use: when you encounter in danger surrounding or meet the bad man ,quickly pull out alarm rope ,it will ring automatically ,loud alarm will spread out .keep you out of risk ,and attract other human attention Package includes: Self Protection Alarm x 1