Mallory Sonalert Products,Inc. Sales Outline Drawing Part #: Revision: SNP428R B Specifications: Sound Level Category Mode of Operation Voltage Rating Frequency Loudness @ 2 FT Current Draw Housing Material Storage Temperature Operating Temperature Panel Mounting Weight (Typical) Options Dimensions: Medium Continuous 4 to 28 VDC 2900 500 Hz 69 to 83 Typ. 3-18 mA 6/6 Nylon, Color: Black -40 to +85 C -30 to +65 C Recommended hole size is 1.25"(31.75mm). Thread front will fit standard 30mm(1.181") hole. 0.5 oz (17g) Please contact factory. Inches (mm) cUL Recognized ROHS Compliant 4411 South High School Road, Indianapolis, Indiana 46241 U.S.A * Phone: (317) 612-1000 Fax: (317) 612-1010 * www.mallory-sonalert.com