Spare part for SGK5010, SGK510-3 or SGK500-3. Radio sensor unit in flat design with infrared and thermal sensor detects temperatures and temperature changes. Warns in dangerous situations with an 80dB (A) acoustic signal and sends a radio signal to the control unit to interrupt the power supply to the stove, even before a fire starts. Acknowledgement/reset of the system by pressing a button. Spare part for SGK510-3 or SGK500-3, must be coupled to the control unit wirelessly. Power supply: replaceable 3V lithium battery CR2032 (included). Housing color: silver. Dimensions: 94 x 39 x 15mm, including self-adhesive magnetic plate.