4inch DSI Round Touch Display, 720 × 720, IPS, 10-Point Touch

A 4-inch round IPS touchscreen display from Waveshare that connects to the Raspberry Pi via the DSI (Display Serial Interface) port. With a 720 × 720 resolution, 170° viewing angle, and 10-point capacitive touch through optically bonded toughened glass, it delivers excellent visual quality and responsive touch input in a unique circular form factor.

The display connects directly to the Pi's DSI ribbon cable port and the touch controller communicates over I2C. Brightness is adjustable via software. A driver is required for Raspberry Pi OS.

Key Features

• 4-Inch Round Display – Unique circular form factor for smart home panels, gauges, and dashboards
• 720 × 720 IPS Panel – High resolution with 170° wide viewing angle
• 10-Point Capacitive Touch – Responsive multi-touch via I2C interface
• Toughened Glass – Up to 6H hardness with optical bonding for clarity and dust protection
• DSI Interface – Direct connection to Raspberry Pi DSI port, no USB or HDMI required
• Software-Adjustable Brightness – Control backlight brightness from the OS

Specifications

• Display Size: 4 inches (round)
• Resolution: 720 × 720
• Panel Type: IPS
• Viewing Angle: 170°
• Display Interface: DSI
• Touch Type: Capacitive, 10-point
• Touch Interface: I2C
• Touch Panel: Toughened glass (6H hardness), optical bonding

Compatibility

• Raspberry Pi 4B
• Raspberry Pi 3B+ / 3A+
• Raspberry Pi CM3 / CM3+ / CM4 (some base boards may require an adapter cable)
• Requires Raspberry Pi OS with driver installation

Ideal For

• Smart home control panels
• In-vehicle displays and dashboards
• Consumer electronics interfaces
• Industrial equipment HMIs
• Custom gauge and instrument clusters

Package Contents

• 1× 4-inch DSI Round Touch Display
• 2× FPC 15-pin cable (~50 mm)
• 1× Screw pack

Resources

• Waveshare Wiki – 4inch DSI LCD (C) – Drivers, documentation, and setup guide