Size : approx.11 x 4.7 x 2cmBuzzer sound goes off when pulling the chain.Push in the pin to stop the buzzer sound.Output volume: approx. 85 dB (measured at 1 m ahead)Continuous sounding time: approx.20 minutes
Size : approx.11 x 4.7 x 2cmBuzzer sound goes off when pulling the chain.Push in the pin to stop the buzzer sound.Output volume: approx. 85 dB (measured at 1 m ahead)Continuous sounding time: approx.20 minutes
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