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Features:1 One-time consumption Temper glass breaking tools with electricity supply , the self- power can maintain 5-6years ,
2 Supply in emergency rescue , firefighting , Bus and ship ,Metro barrier cleaning ,
3 One button to start easily which even can use by a child or old person ,
4 once time can break 12mm temperred glass , Working Temperature : -40~~60 ?; Water Proof lever IP54.
5 Working theory : The electricity shock arouse the interior space expanse , pushing the pin out intensily , finally using on the temperred galss and break ,no attached hamfulness for surroundings .
