The smoke detector RM L 3100 provides more safety for families and property. The photoelectric detector is tested according to EN 14604. It is equipped with an optical display for functionality and a test button for function checks. The RM L 3100 has an acoustic alarm with a volume of 85 dB. The signal tone is also triggered when the battery is low. The RM L 3100 operates with an integrated 3-volt lithium battery that lasts for 10 years without needing a replacement.