Optoma 1861RK Android LCD 4K UHD LED Projector, Black

The Optoma 1861RK is an 86-inch interactive flat panel display designed for commercial and educational environments. It features a native 4K UHD resolution of 3840 x 2160 pixels, presenting content on an LED-backlit LCD screen. The panel maintains a 16:9 native aspect ratio and a typical contrast ratio of 1200:1. Its primary function is to serve as a collaborative tool, integrating a responsive touchscreen for direct on-screen interaction during presentations or lessons.

This display provides extensive connectivity for a variety of source devices. Wired inputs include three HDMI ports, one DisplayPort, and one VGA port. For peripherals and media playback, a USB 2.0 port is also available. Network integration is supported through an Ethernet LAN port, while built-in Wi-Fi and Bluetooth offer wireless content sharing and device connection. The unit operates on an Android-based software platform, which facilitates access to applications and content management.

The physical construction of the 1861RK is intended for fixed installations. It incorporates a pair of built-in speakers that deliver a combined 20 watts of RMS power, sufficient for audio playback in medium-sized rooms without external equipment. The display measures 1957 mm in width, 1159 mm in height, and 97 mm in depth. Installation options are versatile, with support for both wall and ceiling mounting to accommodate different room configurations and professional setups.

• Features an 86-inch interactive display screen
• Provides a native 4K UHD (3840 x 2160) resolution
• Utilizes LED-backlit LCD panel technology
• Equipped with three HDMI ports and one DisplayPort
• Includes a VGA port for legacy device support
• Features two built-in speakers with 20W total RMS power
• Supports Wi-Fi, Bluetooth, and Ethernet LAN connectivity
• Operates on an Android-based software platform
• Designed for wall or ceiling mounted installations