PERFECTLY PORTABLE – Bring safety wherever you go! Unlike pepper spray or knives, WETEN’s hand held safety device can go everywhere, even where other weapons cannot. Take it to school, the airport, and to the bank without a hitch. EASY TO OPERATE – Get the emergency gadget that’s so simple even your kids can use it! To activate the stay safe alarm with flashing light, just pull the pin or rapidly press the SOS button twice. One push on the light button powers on the flashlight, while a second press triggers flash mode. NOT ONLY DEFENSE - your keychain sonic whistle can also function to draw attention in case you need medical attention or help, which is especially important for the elderly living alone. NO HASSLE OF BUYING AND CHANGING BATTERIES - Coming with a USB charger cable, the USB rechargeable self - defense keychain will fully charge in 1 hour (up to 90 minutes of continuous alarm with a flashlight, about 1 year in standby mode). No more worries about your safesound alarm running out of power!. SAFETY FIRST – The world can be dangerous, where the vulnerable may be attacked. Increase your safety with WETEN’s 130db personal alarm siren! It’s a small but loud and bright portable self protection device that startles attackers and alerts others to emergency situations. Stay safe and feel secure with WETEN!.