Smart Home Security System Also Called Electronic Door Lock Can Be Opend by Mobile Phone, Password,

20140906

alarm Emergency power port Technical details: Working current <180mA Quiescent current <50 uA Working time 8-12 months, or 15000 opening times(8pcs AAA batteries) Outside dimension 415*78*20mm W

EC21 Product Catalogs - cheap alarm

Smart Home Security System Also Called Electronic Door Lock Can Be Opend by Mobile Phone, Password,