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  • Direction: don't need to distinguish the door direction, left and right sides, both inside and outside the door, can be universal
  • Automatic close: unlock if you don't open the door, delay lock automatically after 15 second
  • Without collision: close the door automatically locked without noise
  • Low power consumption: Power consumption is only equivalent to one 5 of the electric control lock
  • Service life of up to 350000 times
  • The lock and close the door when a voice prompt
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