A full 33% lower frequency than standard 3 kHz alarms. A distinctive sound option for facilities, machines, or vehicles that already use one or more standard 3 kHz alarms. A more easily heard sound in some environments where a 3 kHz alarm might be masked by some other high frequency background noise. Available in the following tones: continuous, slow pulse (1 pps), medium pulse (5 pps), fast pulse (10 pps), double pulse-fast & slow. New pluggable screw terminal block termination system: finger proof safe handling, prevents shock & shorting, and saves assembly time & labor. Other features include: soft through extra loud sound levels, cUL approved; RoHS compliant, NEMA 3R/4X/12, CSA C22 No. 94, and IP-66, also available with screw terminals and flat blade terminals. For samples or more information, please send an email to MyFeedback@dee-inc.com, and be sure to provide your contact information.