Designed to continuously monitor smoke concentration, it responds quickly and becomes highly sensitive with stable performance and low false alarm. Once the surrounding smoke concentration reaches the alarm value, it promptly sends out visual and audible alarm signal to alert the user of the danger.

· Split-spectrum sensor technology

· Single button test and silence feature

· Loud sound output over 85 dB(A) at 3m

· Low quiescent current consumption

· Surface-mount device (SMD) circuit board design

· Low battery warning signal

· Built-in battery, easy installation