Product Information:The Gentex SSPK24WLP Series are wall mount, selectable candela speaker/strobes designed to meet code requirements for audio, visual and voice communications. The SSPK24WLP Series are quality speaker products that offer both dependable evacuation signaling and visual alarms, or a combination of both. The high output tamperproof candela selections are 15, 30, 60, 75, 110.The SSPK24WLP Series grills are constructed of high impact textured plastic and are UL listed for fire protective services per UL 1480, the selectable candela strobe unit is listed to UL 1971 and the 15/75 unit is listed to UL 1638 and UL 1971.Note: The SSPK24WLP can be mounted in a 4" square x 21/8" deep back box, an extension ring is not needed.The SSPK24WLP Series is not listed for outdoor use Features:#149; High dB output#149; Frequency Range 4004000Hz#149; Candela selections are tamper proof#149; Speaker voltage 25 or 70.7 VRMS standard, field selectable#149; Low strobe light operating current#149; 24VDC field selectable candela options of: 15, 30, 60, 75 and 110#149; 24VDC fixed 15/75 candela model available#149; Strobe maintains constant 1 Hz flash rate regardless of input voltage#149; Field selectable power taps: 1/8W, 1/4W, 1/2W, 1W, 2W, 4W.#149; Screw Terminals, separate in/out wiring (1218 gauge)#149; Textured plastic faceplate available in red or offwhite finish#149; UL listed for fire protection services per UL 1480, UL 1971 and UL 1638#149; GBLP surface back box available Specifications:#149; Part Number: 9041413002#149; Unit Dimension: 6.1" Square X 1.88" Deep#149; Color: Red Faceplate#149; Voltage: 24VDC