IP security camera Reolink E Series E321 — Dome, Indoor, 2304×1296, 4 mm, Wireless, Ceiling/Wall/Desk

Reolink E Series E321 is an indoor dome IP security camera with a 2304 × 1296 CMOS sensor and a fixed 4 mm focal length. Designed for basic indoor surveillance, the camera provides wireless Wi‑Fi connectivity, night vision up to 12 m, video motion detection and a compact white housing that can be mounted on a ceiling, wall or placed on a desk.

Advantages

The Reolink E321 delivers higher-than-HD 3 MP resolution (2304×1296) for clearer image detail and supports wireless installation to avoid Ethernet cabling. Its compact dome design and lightweight construction simplify mounting on ceilings, walls or on flat surfaces. Built‑in night vision extends monitoring capability to low‑light conditions, and motion detection enables event‑based recording.

Suitable for

• Home rooms and hallways
• Small offices and reception areas
• Nurseries and common indoor spaces
• Short‑range indoor monitoring (up to ~12 m at night)

Key specifications

• Type: Indoor IP security camera (dome)
• Image sensor: CMOS 1/3"
• Resolution: 2304 × 1296 (3 MP)
• Focal length: 4 mm fixed
• Frame rate: 15 fps
• Connectivity: Wireless (Wi‑Fi)
• Night vision: IR up to 12 m
• Mounting: Ceiling, wall or desk
• Color: White
• Weight: 0.167 kg
• Motion detection: Yes

How to use

Mount the camera on a ceiling, wall or place it on a desk using the appropriate screws or a flat surface. Power the unit and follow the Reolink mobile app or desktop software prompts to connect the camera to your local Wi‑Fi network. Adjust the viewing direction manually within the tilt range and use the app to configure resolution, motion detection sensitivity, recording and notification settings. Verify night vision by checking the image in low‑light conditions.

Recommendations

Install the camera within Wi‑Fi range of your router for reliable streaming, avoid placing it behind glass or obstructions, and position it at a height and angle that reduces glare and maximizes coverage of the monitored area.