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    SECO-LARM ENFORCER SH-816S-SMQ/x 4-in-1 Multi-Purpose Siren/Strobe — Specifications

    September 08, 2026 2 min read

    Specifications for the SECO-LARM ENFORCER 4-in-1 Multi-Purpose Siren/Strobe — combined siren, custom message playback, PA broadcast, and LED strobe in one weatherproof device.

    💾 Download Original PDF
    Full text manual (for reference)

    Specifications for the SECO-LARM ENFORCER 4-in-1 Multi-Purpose Siren/Strobe (SH-816S-SMQ/x and SH-816S-BMQ) — a combined siren, custom message playback, PA broadcast, and (SMQ models only) LED strobe device, weatherproof for outdoor/indoor use.

    Overview

    The ENFORCER 4-in-1 Multi-Purpose Siren/Strobe combines multiple communication and signaling functions in one device: siren, internal custom message, PA broadcast, and (SH-816S-SMQ models only) an LED strobe. Depending on the application, it can sound a siren, play back a pre-recorded message/custom sound from internal memory, and/or serve as a PA broadcast system.

    Models

    • SH-816S-SMQ/R — Siren/Strobe/Message/PA, Red lens
    • SH-816S-SMQ/B — Siren/Strobe/Message/PA, Blue lens
    • SH-816S-SMQ/C — Siren/Strobe/Message/PA, Clear lens
    • SH-816S-SMQ/A — Siren/Strobe/Message/PA, Amber lens
    • SH-816S-BMQ — Siren/Message/PA (no strobe)

    Related self-contained siren-only models: SH-816S-SQ/R, SH-816S-SQ/B, SH-816S-SQ/C, SH-816S-SQ/A (siren/strobe), and SH-816S-BQ (siren only).

    Features

    • Multiple devices in one — siren/strobe, internal custom emergency message, and PA system
    • Multiple notification types — strobe, siren, or audio (pre-recorded or broadcast)
    • Multiple audio sources — siren, on-board MP3/WAV, external PA system
    • Upload your own warning message (MP3 or WAV format, up to 2MB) via micro-USB port
    • 9~15 VDC operation, low current draw
    • 2 alarm inputs — input 1 triggers the 115dB siren, input 2 overrides input 1 to play the custom message
    • 20W speaker for PA broadcast input (input not to exceed 2V; broadcast interrupts both alarms)
    • Built-in tamper alarm output
    • Weatherproof for outdoor/indoor use, IP65 rated

    Specifications

    Item SH-816-BMQ SH-816-SMQ/x
    Type Siren/message/broadcast Siren/message/broadcast + strobe
    Operating voltage 9~15 VDC
    Alarm inputs 2x ground trigger — input 2 (custom message/sound) overrides input 1 (siren)
    Audio in Audio input voltage cannot exceed 2V
    Current draw — siren 1A@12VDC
    Current draw — strobe N/A 50mA@12VDC
    Current draw — both N/A 1050mA@12VDC
    Siren volume 115dB
    Speaker rating 20W peak
    Custom message WAV or MP3 format, up to 2MB
    Upload interface Micro-USB
    Strobe flash rate N/A 60 per minute
    Tamper output 100mA@30 VAC/VDC
    IP rating IP65
    Operating humidity 0~98%
    Operating temperature -4°~131°F (-20°~55°C)
    Housing Polycarbonate plastic
    Dimensions 6-1/8"x4-15/16"x4-1/2" (155x126x115mm) 6-1/8"x7"x4-1/2" (155x178x115mm)
    Weight 1-lb 13-oz (812g) 2-lb 2-oz (957g)

    *Replace "x" with the first letter of the desired LED lens color — amber, blue, clear, or red.

    Notification Priority

    When multiple inputs are active simultaneously, priority is: PA broadcast overrides both alarm inputs; input 2 (custom message) overrides input 1 (siren).

    Copyright © 2022 SECO-LARM U.S.A, Inc. Specifications subject to change without notice.