Strobe Light, Material Aluminum, Plastic, Overall Depth Not Applicable, Overall Height 7 in, Overall Width 6 1/2 in, Compatible with Grainger Part Number Not Applicable, Compatible with Series 234, Resistance Properties Not Applicable, Features 240 Flashes Per Minute, Dry Contact Closure Output, High Visibility, Low Operating Temperature, Low Power Consumption, Color Blue, Product Type LED Strobe, For Use With Industrial Telephones, Includes NPT Adapter, Manufacturers Warranty Length 1 yr