








📬 Stay ahead of your mail game with smart alerts that keep you connected!
The X-Sense Smart Mailbox Alarm (SMA51) is a compact, wireless sensor that connects via 2.4 GHz Wi-Fi to the SBS50 base station (sold separately). It delivers instant app notifications upon mail delivery, supports multi-user sharing, and offers a powerful 100 dB alert with customizable ringtones. Designed for various mailbox types, it features a long-lasting 4-year lithium battery, IP65 waterproof rating, and easy installation with no wiring required. Perfect for professionals seeking seamless, reliable mail monitoring in any weather.




| Battery Description | Lithium |
| Number of Batteries | 1 CR2 batteries required. (included) |
| Voltage | 3 Volts |
| Control Method | App |
| Mounting Type | Wall Mount |
| Sensor Technology | Infrared Sensor |
| Manufacturer | X-SENSE |
| Part Number | X-SENSE |
| Item Weight | 2.08 ounces |
| Product Dimensions | 1.65 x 1.26 x 4.21 inches |
| Item model number | SMA51 |
| Batteries | 1 CR2 batteries required. (included) |
| Style | Only 1 Alarm (Base Station Required) |
| Included Components | 1 Smart Mailbox Alarm (Base Station Required) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
| Description Pile | Lithium |
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