Lifesaving without delay / lifesaving device

Lifesaving Without Delay is a positioning life buoy launching device.
Drowning swimmer can pull the security wristband to sending a help signal to the device on the shore or the poolside. The device can position the swimmer and release multiple self-inflating life buoy to exactly where the drowning swimmer is within 3 seconds. It means the drowning swimmer can receive help immediately. Meanwhile, the visible life buoy can help lifeguard to position drowning swimmer and take rescue techniques immediately. There is no need to take time to tell if a swimmer needs help.