MINI SIREN SINGER TONE
Categories : Series 2 Voice & Sound Generator ,  Siren & Alarm Sound , 
This mini-siren project is low cost, easily assembled and its principles of operation are readily understood by the novice to electronics. Despite its simplicity, the FK228 gives out a demanding sound through its included speaker, making it suitable for alarm systems, intrusion alerts, mobility assistance equipment and battery powered vehicles.
Technical Specification