The Hispec HSA/BC/RF10-PRO is a reliable wireless carbon monoxide alarm with a 10-year lithium battery, ensuring continuous protection for your home. With an operating sound rating of 85 dB, this alarm from HiSPEC provides peace of mind with its white colour and compact dimensions of 3.2 cm depth, 4 cm width, and 66 g weight. Its battery power source guarantees uninterrupted monitoring for an extended period of time, making it a dependable choice for safeguarding your home against carbon monoxide hazards.