The AJ-771SI8 is a compact photoelectric smoke detector designed for reliable early smoke detection. Featuring a 10-year battery lifespan and wireless interconnection via 433/868 MHz, it allows multiple compatible smoke detectors to be connected, so that all alarms are activated simultaneously when smoke is detected.
With its ceiling-mounted design, loud alarm signal of over 85 dB and convenient hush function, it provides reliable protection for homes and indoor spaces.