SB100-1 This combined set with one sounder and one beacon is for indoor and outdoor NON ATEX areas, and more specifically design for harsh environments, extended IP and IK level*, it fully meets the requirements of standard IEC 60947 et EN 54 standards. The beacons is proposed in two lighting technology. Led with steady , rotary, fixed or blinking led of different powers. Flashing with XENON tube of different powers. Four flashing frequencies are selectable. The beacon can be triggered joint or separatly. The sounder according to user control system can be set with one tone among 59 prerecorded tones. Body is moulded with a flame retardant polycarbonate, lens is in ABS Optionally control of the sounder or the beacon via a telephone line.