... Fire alarm with CE & EN14604 smoke detector, fire detector, fire alarm high quality ,long life,favorable price Fire alarm,smoke alarm, home smoke alarm, office smoke alarm, wireless smoke alarm smoke alarm systemalarm detector with CE certification ,Test function & Low voltage alarm ... 2) Working current: : Surveillant current<15?, alarm current: <30mA 3) Alarm sound: >85dB 4) Ambient temperature: -10 ...