| Feature | Reolink Duo | Reolink Duo 2 | Reolink Duo 3 |
| Resolution | 2K | 4MP | 16MP Ultra HD |
| Night Vision | Standard IR | Advanced IR + Color | Starlight Night Vision + Color Spotlight |
| Field of View (FOV) | 180° | 180° Dual Lens | 180° Dual Lens |
| Person/Vehicle Detection | Not Available | Available | Smart Detection (Enhanced) |
| Storage Options | Micro SD Card, NVR, Cloud | Micro SD Card, NVR, Cloud | Micro SD Card (up to 512GB), NVR, Cloud, FTP |
| Connectivity | Wi-Fi | Wi-Fi, Ethernet | Wi-Fi, Ethernet (PoE) |
| Audio | Two-way audio | Two-way audio | Two-way audio (Enhanced Quality) |
| Weather Resistance | IP66 | IP66 | IP66 |
| Power Options | Battery, Solar Panel, Wired | Battery, Solar Panel, Wired | Battery, Solar Panel, Wired |
| Installation | Easy, DIY | Easy, DIY | Easy, DIY (Enhanced Flexibility) |
| Smart Home Integration | Limited | Improved | Extensive (e.g., Alexa, Google Assistant) |
| App & Software | Reolink App | Reolink App with Improved UI | Reolink App with Enhanced Features |
