21.5″ Elo I-Series 4 Android Touchcomputer

The 21.5-inch Elo I-Series 4 Value Android Touchcomputer, product code E391414, is a commercial-grade all-in-one touchscreen computer designed for self-service kiosks, point-of-sale systems, interactive displays, price checkers, visitor management, industrial controls, self-ordering, self-checkout, and other customer-facing applications. Its edge-to-edge glass design and VESA mounting compatibility allow it to be integrated into countertop stands, wall-mounted systems, kiosk enclosures, and other commercial installations.

Powered by the six-core Rockchip RK3399 processor, 4GB of RAM, and 32GB of storage, this Value model provides an Android platform for retail, hospitality, restaurants, healthcare, corporate environments, and industrial applications. The E391414 ships with Android 10 and Google Play Services, is AOSP-capable, and supports EloView for remote application deployment, content management, device configuration, and centralized fleet management.

The 21.5-inch active-matrix TFT LCD features a 1920 × 1080 Full HD resolution, 16:9 aspect ratio, 1,000:1 contrast ratio, and 10-point TouchPro projected-capacitive multi-touch technology. The touchscreen supports touch operation through compatible glass up to 6 mm thick or plastic up to 3 mm thick, with up to two simultaneous touches in Touch Thru installations.

Integrated components include a 5MP autofocus camera capable of recording at up to 1920 × 1080 at 30 frames per second, one built-in analog microphone, and two 2W speakers. Wireless connectivity includes dual-band 802.11a/b/g/n/ac Wi-Fi and Bluetooth 5.0.

Physical connectivity includes one USB 3.0 port, USB-C video output, a microSD card slot, GPIO, Gigabit Ethernet, DC power input, and four micro-USB 2.0 Elo Edge Connect ports. Edge Connect supports compatible peripherals such as barcode scanners, payment-device cradles, RFID readers, fingerprint readers, cameras, magnetic-stripe readers, and other Elo accessories. Optional Power over Ethernet is supported through the Elo E413396 PoE module.

VESA 75 × 75 mm and 100 × 100 mm mounting compatibility supports installation with compatible tabletop stands, wall mounts, pole mounts, floor stands, shelf mounts, and self-service kiosk systems. The unit measures approximately 524.8 × 324.8 × 29.7 mm and weighs approximately 4.3 kg without packaging.