DetectFire developed Fire Alarm Accessories to be used with conventional & addressable fire alarm systems, such as external power supply (model DF – EXP2), resettable manual call point (model DF 610 – CCP, Fire Alarm Bell (model DF 700 – AB), siren with flasher (model DF 550 – HS), Firemen telephone system (model DF – FTS), telephone jack (model DF 111 – JAC), telephone headset (model DF 111 – TPH), modbus convertor (model DF – INT), power supply panel (model DF – EXP5)