Features 01, quiescent current <35 microamps, Daka current <40 mA, the maximum operating current <150 mA 02,6V (four batteries), external 12V power supply 03, when used independently provide 24 hour protection, static year battery capacity 04, the product of a group of normally open signal output and a set of three signal NC signal fire center or security center connection 05, respectively, entered the hazard warning signal, fire alarm center signal and clocking signal 06, with the two-door two-door blossom provides the convenience, can resist exceed 2200 pounds (1000 kg) Foreign Rally 07, no additional maintenance and operating costs, blocking unauthorized access 08, via an emergency stop unauthorized exit door to leave, reducing property theft opportunities 09, clearly visible promoter configuration 10, durability, reliability and long service life 11, anti-saw solid stainless steel bolt provides robust protection 12,650 mm standard putter, installation Overall Length: 835 mm, height 105 mm, width 93 mm 13, JDY-800 fire door installation with a total length of channel locks can be changed according to the actual length of the door