| Specification Model:ZH-01 Power:DC9V battery Alarm current:33+/-10mA Installation: Ceiling or wall mounting Working temperature: -10'C~50'C Alarm Output: sound and light Alarm Sound Level: ≥85dB / m Dimension: DIA103*48MM Features * Photoelectronic Technology * Alarm and Power Test Button * Low Battery Warning * Used in all areas * Battery included |