If the battery power is low, an alarm will also be issued. Innovative waterproof lock design and stainless steel front panel. Double relay output can easily control the door opener or alarm components. When talking with visitors, remotely control the relay output by pressing the keyboard. Item Type: Access Control System Material: Stainless steel and ABS Power Input: DC 12V.
Applicable working frequency: EU frequency: UMTS:900/2100MHz, GSM/EDGE: 900/1800MHz US frequency: UMTS:850/1900MHz, GSM/EDGE: 850/900/1800/1900MHz AU frequency: UMTS:850/2100MHz, GSM/EDGE: 850/900/1800/1900MHz. 1 x USB Program Adapter.
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