Abstract: A danger alert device (M) includes a sensor for a danger parameter, evaluation electronics for evaluating sensor signals, a memory for storing alarm data, and a communication interface (K) for the wireless communication of the danger alert device (M) with a remote operator control module (H). The communication interface (K) is designed for communication in the radio-frequency range, preferably in accordance with the Bluetooth standard, or in the infrared range, preferably in accordance with the IrDA standard, and comprises corresponding transmission and receiving means. The operator control module (H) is formed by a remote control or a computer of a PC, laptop or hand-held type and has an analog communication interface (K′).