Stable performance anywhere: Weatherresistant engineering enables reliable operation in rain or humidity, suitable for both indoor and outdoor use with stable performance and strength. Dependable notification system: A performance wireless module provides longrange clarity and detectable alerts even in noisy settings, delivering a consistently loud and clear notification tone when needed. Smart double alerts: Equipped with 7color lights for lowlight visibility, this device delivers smart double alerts through visual signals and sound cues, blending practicality with contemporary aesthetics. Easy and quick installation: Userfriendly design allows easy pairing with a button; no complex setup required, making it accessible and convenient for users of all ages to operate effortlessly. Use scenarios At a dog door to signal when the dog wants to go outside, ensuring you won't miss the cue. In busy households or multiroom homes, the longrange clarity and loud notification help you stay alerted even amid background noise. In dim entryways or nighttime settings, the 7color LED indicators provide visible cues to accompany the sound alerts.