Systems Material Handling, Olathe, Kan., has released the Safe-T-Alert electronic horn, which has a continuous tone pulse rate. It has an expected life twice as long as a normal mechanical horn. With the mounting bracket included, the electronic horns are easy to mount and have a two-year warranty.
The horn is housed in metal with black power coating. It measures 3-5/8-inch in diameter and 1-13/16-inch deep. The frequency is 300Hz ± 20Hz and the decibel rating is 110 ± 5dB.