fingerprint lock

A.Heavy-duty Integrated cast-steel constructed without any plastic parts creates incomparable firmness. B.State-of-the-art "nanotechnology" surface treatment could prevent the lock from corrosion, weathering and fading. C.Solid and compact inner construction with the PCB sealed with epoxy to prevent moisture, corrosion and loosening. D.Specially tailed sliding cover releases the keypad and sensor from bothers of weather, dust and also could activate the fingerprint scanner. E.International standard 12 keys design suits the behavior custom to input password and operate. F.Blue LED display guide in Chinese and English with 32-chord polyphonic sound. G.Use 4 x 1.5V standard alkaline batteries and 6V external power port for emergency. H.The system can work from 3.3v (Usual is 5-6v), which enable the system work longer than others with common 4 AA batteries. I.Pure stainless steel mechanical rotating tubular latch enable for using more than 10 years. J.Formidable storage: It can store up tonit

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