About This

• Great Mail Notifier – Get instant smartphone alerts and an indoor voice chime when your mailbox opens, with 100% false-alert-free detection. Prevent theft and never miss a pickup.
• Ultra-Stable Long-Range Signal, Even through Concrete and Metal - Engineered with premium U.S.-made chips—trusted in aerospace and industrial applications—for exceptional performance, reliability, and data security. Enjoy dependable wireless transmission of over 800 feet in high-density neighborhoods(exceeding 1000 feet in open space), delivering instant alerts even from distant mailboxes. Plus, a single indoor gateway supports multiple mailbox sensors, giving you the flexibility to monitor several mailboxes with one system.
• No Subscription Fee, No 3rd-party data access, Secure Amazon Cloud Hosting - All data stays safe. Unlike other devices that rely on uncertain servers, our system is hosted on Amazon’s secure cloud, ensuring fast, encrypted alerts with no downtime. Plus, your account is protected with two-factor authentication for secure registration, password updates, and more.
• 45° Activation Angle – Upward or Downward Only - The mailbox alarm system is designed to trigger only when the mailbox door opens at least 45 degrees upward or downward. It does not support doors that open sideways (left or right), so please check your mailbox design before purchasing. One key advantage: zero false alerts—unlike infrared sensors, which are prone to misfires. Our sensor delivers only accurate, reliable notifications.
• Durable & Weatherproof ASA Housing - IP67 level waterproof. Crafted from premium ASA plastic, this device is engineered for outdoor performance — offering exceptional resistance to weather, UV rays, and impact. It's non-toxic, odorless, and built to last. Operating Temperature Range:-40°F to 140°F (–40°C to 60°C), perfect for harsh winters/summers.
• Battery Powered, No Wiring - With the included battery providing consistent power day and night, the mail sensor runs for up to 5 years and automatically sends a low battery alert through the app when it’s time for a replacement. The gateway's power input is 110-240VAC, 50/60Hz.
• Easy 10-Minute Setup – No wiring, no complicated installation, no technical skills needed. Simply plug the gateway into any wall outlet, insert the included battery into the sensor unit, reassemble it securely to prevent water leakage, and attach it to the inside of your mailbox door using the provided adhesive tapes. Then, download the InstaViewSafe app from the Google Play Store (for Android devices) or Apple App Store (for iOS devices). Step-by-step in-app guidance makes connecting your phone to the sensor and gateway quick and effortless. A Wi-Fi-enabled router is required.
• Free & Instant Customer Support: We're here whenever you need help—whether it's installation guidance or technical support. Our contact information is included in the package for easy access. Plus, enjoy peace of mind with hassle-free returns, absolutely free.
• Compatible with iPhone, iPad, and Android phones and tablets