GSM, GSM Key, Gate System GSM manufacturer / supplier in China, offering GSM Key to Automatic Gate, Plastic or Aluminum Vertical Window Blinds for Garage Industrial Door, High Quality Bus Passenger Counter, Person Counter for Bus Door and so on.
|Min. Order / Reference FOB Price||10 Pieces||US $25/ Piece|
|Payment Terms:||T/T, Western Union, Paypal|
GSM-OPEN is an innovative designed GSM KEY products.Very easy to use, more working mode and alarm setting with very simple rotary switch to select.
Even no need more difficult SMS command to program the device.
For automatic door ,electric door ,normally,that is very easy to install,only connect the device to the manual exit button (parallel with the manual button)
If no manual button, and you can use the device to control the electric lock directly as the following picture: