E2S A121 Sounder & AL121 Combo
The robust A121 & AL121 is ideal for all general signalling applications including fire, security and process control. The E2S range of sounder and combination units have been designed to perform at maximum capacity for as long as required. The sound output can be decreased by means of a volume control. Standard colour is red, but these units are also available in grey and white. Unit is available in just the sounder option.