"Personal safety alarm for anyone on the move A sleek, personal safety device designed for women, seniors, solo travellers, students & late-night workers, offering instant access to help via a safety siren and silent emergency SMS notifications with GPS co-ordinates." "Draw immediate attention Pull the ring to trigger a powerful 120 decibel siren to draw attention or create a diversion." "Free SMS alerts Push the button to discreetly alert your nominated emergency contact with your exact GPS location. Pulling the ring also sends an alert to the same person." Connect with Ease: ActiveResponse pairs with the Swann Security app on your phone via Bluetooth, to activate remote alerts with GPS co-ordinates. "Always within your reach ActiveResponse fits in the palm of your hand or a purse, easily clip it to a bag or belt (using the keyring), or hang it around your neck (using the lanyard)." "Long-lasting battery Reduces the risk of the device failing, and saves on battery changes." "Lockable to avoid accidental activation Twist-lock to protect from sending false alarms." "No Hidden Fees There are no monthly fees or hidden costs. ", Weight: 0.220462262 pounds, Manufacturer: Swann