• Built-in battery power supply, low power consumption, one battery lasts over one year.
• Special built-in smog detection chip with reliable performance;
• A red LED indicats the status. In regular patrol the LED twinkles every 50 second, It blinks fast at alarm with buzzer sound indication;
• Provided with test pushbutton for detecting detector at any moment.
• With low battery prompt for timely battery replacement.
Executive Standard: GB20517-2006
Electric parameter: Power supply: 6F22 9V Battery; Quiescent current: < 20 m A ; Alarm sound: >80dB ; Response threshold: 0.12~0.24dB/m ?
Structural parameter: Dimensions: Ô107mm?45mm ; Pedestal mounting size: 78mm ; Weight: 180g (Battery inclusive)
