Product Code: WLN-GAMMA2Manufacturer Code: GAMMA2 Whelen's Gamma2 Siren / Switchbox Combo is here. The Gamma2 is a low cost siren that provides a wire range of features and meets SAE Class A sound requirements and is California Title XIII Compliant. Features: Twenty-three Scan-Lock siren tones Two On/Off 20 amp auxiliary rocker switches with LED "On" indicators, control auxiliary equipment Stand-by button provides Hands-Free operation/override from horn ring Tone button activates Wail tone (may be programmed for other tones) Manual button generates a variety of tones as pre-selected by user, up to 3 tones Horn button generates an Airhorn tone Easy to install with standard bail-strap mounting bracket Dimensions Without Bracket: 2.25" (57mm) H, 5.375" (137mm) W, 5.5" (140mm) DWarranty: Two Years Fixture Type: Siren/Switchbox