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Low Temperature, safe & Durable.

Low Power, Environmental Protection.

Special photoelectricity control,three steps current application. 

Long Life  with 500000 cycles.

Superior Strength Aluminium Alloy,Solid Stainless Steel Bolt.

Autolock Time Delay: 0,3,6,9sec.

Replay signal output

Double protection for loading current.

Auto-relock if no Action within 5 secs.

Photoelectricity Control,Low Temperature，

  A:The  Low Current is Changed immediately;

  B:When door frame doesn`t coincide with door leaf ,door leaf against the bolt,then the electric bolt will start the low-power function to bring low temperature.

  C:The Photoelectricity Control Technology,prevent the machanical defect.

Warranty Service will be honored if the damage is not caused by human, YLI Provides 2 years warranty for relative products. On the contrary, YLI will charge extra if repair. More information, please browse our service center.

YLI Company retains right to modify the specification of products, and for parameters amendment of products, we will not inform in advance. The relative pictures are not allowed to used in any other way without the consent of YLI Company. Meanwhile, we reserved all the rights of law for any tangle.

BBK-300