Description
See visitors clearly from porch to doorstep
Xiaomi Smart Doorbell 3S (MJML07-FJ) records in 2K with a D180° field of view for head-to-toe framing. An IP65 enclosure suits exposed entryways, while a Xiaomi security chip supports secure operation on your home network.
Power, chime, and storage
- Dual power: Built-in lithium battery (5200 mAh typ) or hardwired supply via doorbell transformer.
- Indoor chime: Dedicated receiver for in-home alerts.
- Cloud: Free 72 h cloud storage for recorded events.
Communication and night vision
Two-way voice calls let you speak with visitors from your phone. 940 nm infrared lighting improves visibility when ambient light is low.
Connectivity and electrical input
- Wireless: Wi-Fi IEEE 802.11 b/g/n (2.4 GHz); RF 433 MHz.
- Rated input: 5 V ⎓ 2 A via Type-C; or 8–24 V AC, 10–40 VA, 50–60 Hz from a doorbell AC transformer.
- Storage type: Cloud storage.
Environmental limits
| External dimensions | 146 × 52 × 29 mm |
| IP rating | IP65 |
| Charging temperature | 0 °C to 45 °C |
| Operating temperature | -20 °C to 50 °C |
| Operating humidity | 10%–90% RH, non-condensing |
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