STI STI-1100 Stopper II With Horn Flush Mount imported eBay Diameter: 6

Diameter: 6

Enhanced detection via forward-and-backward light-scattering technology

Standard sensitivity is 1

Residential Buildings: The strobe alerts occupants in apartments

The DVM test points are discreetly located on the face of the notification appliance which enable faster troubleshooting and end of line (EOL) voltage checks while greatly reducing the risk of misplacing or damaging appliances during troubleshooting

STI STI-1100 Stopper II With Horn Flush Mount imported eBay Diameter: 6Larger cover helps prevent malicious or accidental false fire alarms. The Stopper II is a unique device which has helped prevent false fire alarms around the world for more than 30 years, without restricting legitimate operation of devices such as fire alarm break glass call points. It is ideal for schools, colleges, hospitals, nursing homes, hotels and all public buildings where there is a history or a threat of false fire alarms. The Stopper II