Stable performance anywhere With weatherresistant engineering, this product thrives in rain or humidity and delivers reliable indoor and outdoor operation with unwavering stability and strength. Dependable notification system The 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 Sevencolor LED indicators offer lowlight visibility, providing smart double alerts through visual signals and sound cues. Flexible placement and easy setup Singlebutton pairing eliminates complex steps, making setup quick and easy for everyone; designed for flexible placement. Use scenarios At a back door to signal for outdoor time: works reliably in rain or humidity, so you can depend on alerts regardless of weather. In a busy household: loud notification and visible LEDs cut through TV noise and appliance sounds, ensuring you notice the signal. In dim or nighttime areas: 7color LEDs improve visibility in low light, helping you quickly locate and respond to the alert. Key attributes Function: door alert with visual and audible cues; Wireless performance: longrange clarity; Visibility: 7color LED indicators for lowlight environments; Setup: onebutton pairing for simple installation; Weather resistance: suitable for indoor and outdoor use.