The ST/HS Series is offered in fixed candela options of 15, 30, 60, 75, 110 and 15/75. The HS models are easily field changeable from temporal 3 to a continuous tone by simply removing a jumper plug. The HS models are shipped from the factory in the temporal three mode. The Commander Series comes standard with the 4" mounting plate.
The Commander Series has a minimal operating current and has a minimum flash rate of 1Hz regardless of input voltage. The ST/HS Series are UL 464, UL 1971 and UL 1638 listed for use with fire protective systems and are warranted for three years from date of purchase.