10-Year Lifespan Smoke Detector Alarm 80dB, Low Power & Easy Install for Home/Office Safety

Extra-long and durable
10-year service life, static current < 15μA (industry average is approximately 25μA), low-voltage threshold precisely to 2.5V ± 0.1V, preventing false alarms
Powerful alarm
80dB(A) sound and light alarm (clearly audible within 3 meters), three-state display of the red indicator light (normal/alarm/under-voltage), wider coverage area
Strong environmental adaptability
Supports extreme temperature range of -10℃ to 50℃ and high humidity environment with 95% RH, IP44 waterproof design. Installation is user-friendly.
Standardized 60mm installation hole spacing, compatible with most pre-installed hole positions in houses, supporting dual-mode for wall and ceiling installation.
(The product does not come with batteries, users need to prepare two No. 5 batteries by themselves)