The GD-04A back-up module, which provides David with the ability to work approx. 12 to 24 hours continually without an external power supply.
Smoke Sabre Test Spray is designed to test the functionality of Jablotron’s optical smoke detectors. Contains 150 ml of testing aerosol
The GD-02T temperature sensor is an accessory of the GD-02-DIN universal GSM communicator and controller. It is necessary for using the temperature measurement function, and monitoring temperature limit values.
The GD-04D DTMF module, which allows you to control David’s output relays by entering numeric codes (DTMF codes) on a telephone keypad during calls
Det multifunksjonelle elektroniske TM-201A-termometret kan brukes i alle anlegg hvor en eller to temperaturverdier må måles med påfølgende lukking eller åpning av relé. Termometret er utstyrt med optisk og akustisk signalisering.
