Chacon Optical smoke detector 9V -1j 2 pcs

(This text is machine translated) Chacon Optical smoke detector 9V -1j 2 pieces - Sound level: 85 dB at 3 m - Smoke detection on an area of ​​25 m² or in a room of 50 m³ - For indoor use - Sound signal when the battery is almost empty - Warranty: 5 years - Color : white - 2 x 9V 6LR61 batteries included - Test button