The Self-Contained Gamma Siren Series from "Whelen Engineering" is a low-cost siren that provides a wide range of features and has 23 scan-lock siren tones. With horn button generates an Airhorn tone and the manual button generates a variety of tones as pre-selected by the user, up to 3 tones.

• Meets SAE Class A sound requirements when used with most 100 watt speakers.
• Meets California Title XIII requirements.
• Two On/Off 20 amp auxiliary rocker switches with LED ��On �� indicators, control auxiliary equipment (Beacons, Hide-A-Ways, etc.).
• Stand-by button provides Hands-Free operation/override from horn ring.
• Tone button activates Wail tone (may be programmed for other tones).
• Easy to install with standard bail-strap mounting bracket.
• Two year warranty.