Features:
* Support sound & flash alarm method
* Full snap-fit patent structure of easy to install & no need commission
* Elegantly designed, aesthetically pleasing, dust-proof
* Light top designed principle with alarm light 360 visual
* Built-in whistle with loud voice that alarm by sound & flash at the spot
* Adopting self-adopting technology that can make dynamic compensation for environment variation & aging components to extend using time
* Owning self-test function can test inner circuit real time to keep detector lasting working fine.
* Adopting ultra-low power micro technology & photoelectric principle making standby time for long
* Adopting high-performance photo of a collection of two bi-direction scattering patent technology, stable, reliable, accuracy
* Low battery alarm function, when the battery voltage lower than 6.8V. It will make warning tone out
* The housing is designed to full rotary detachable buckle of easy maintenance