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Self rescue swimming pool
when the swimmers perceive that they cry
out and asked for help when drowning,they can press the orange button on the ring to send the signal
,The rescue system automatically locate the signal source,
the bottom of the pool is located in the light of the probe,
and at the same time at the bottom of the pool to the
20cm/s of the security grid.After 10s the grid rises to the surface, and the
drowning man will be rescued.