The Gentex GEH12-W low profile Horn/Strobe is designed to provide reliable audible and visual alerts while lowering installation and operating costs. It has a voltage of 12 VDC, features a SuperSlide bracket for ease of supervised testing, and comes with the checkmate instant voltage verification system. The horn and strobe can be synchronized with the control module and dBA levels can be raised or lowered. It also features a switch to select between temporal 3 or continuous alarms and a tamper proof reentrant grill. The alarm can be muted while the strobe continues flashing.