Model No.︰YH-
Brand Name︰YH
Country of Origin︰Taiwan, China
Unit Price︰US $ 1 / pc
Minimum Order︰1 pc
Acessory for fireproof shutter,fire prevention shutter,auto descend shutter.
12/24V power supply,self descend set,smoke sensor and battery,thermo sensor(melt crystal),timer ( twice).
