Description Features Easy to Install Low power consumption, eco-friendly and energy saving Test button End of life signal, reminding user of replacement Built-in 10-year lifespan Lithium battery Self-checking sensor Mute low-sensitivity mode Sensor malfunction alarm Low battery warning Sound 85dB (3M) Technical Specifications Operating Temperature 32°F to -58°F (0°C to 50°C) Working Voltage 3V Standby Current ≤7μA Humidity 10% – 80% Service Environment House Supply Designed Life 10 year Material PC UL V-0 Dimensions 2.52 in x 1.77 in x 1.77 in (64mm x 45mm x 45 mm) Weight 1.76 Oz (50g)
