.container a:link { color: blue; } .container a:visited { color: purple; } .container a:hover { color: red; } .container a:active { color: green; } Hispec Mains Smoke Detector with 9V Battery Backup The Hispec Photoelectric Smoke Alarm is essential home and work safety equipment, quickly reacting to all fire types. This optical smoke alarm is ideal for general use around the home in bedrooms and living areas. Do not fit in the kitchen, bathroom and garage as fumes or steam may cause nuisance triggers. The Hispec Photoelectric Smoke Alarm comes with a First Fix base which allows the installer to complete the wiring of the product before the surface around the alarm is coated in plaster and paint without affecting the circuitry of the alarm. The alarm is inter connectable with the possibility of up to 40 Heat Alarms and/or Smoke Alarms to be connected together over a 150 meter distance on the single yellow wire, which will activate all alarms on the circuit if one is trigge