Elevate your extra-large space comfort with this 24000 BTU smart split air conditioner, part of the SEER 21 high-efficiency series, tailored for US households and commercial spaces. Combining WiFi connectivity and eco-friendly R32 refrigerant, it delivers exceptional cooling, heating, and fan functions while cutting energy consumption. Operating on 230V/60Hz power (dedicated circuit required), it’s perfect for 400-500 sq ft areas like extra-large living rooms, home theaters, or small commercial offices.Included in the package: 1×indoor unit, 1×outdoor unit, 1×YKR-T121E remote controller, 2×AAA batteries, 2×4m connecting pipes, 1×drain pipe, 1×power cable, 1×mounting plate, 1×pipe protection ring, 1×putty, 1×plastic strap, and 2×user manuals. Installation requires a certified contractor – the kit fits standard wall installations with a 5°-10° slanted wall hole for drainage, and connecting pipes support lengths from 9.8ft (3 m) to 98.4ft (30m), with additional refrigerant (0.258oz/ft) needed for pipes over 25ft (7.6m).Control comfort effortlessly via the WiFi app (scan QR code for download) or remote: set 24h auto on/off timers, activate sleep mode for nighttime comfort, and adjust airflow direction (up-down/left-right swing) for even distribution. The indoor unit’s force switch provides emergency operation (AUTO mode, 77°F/25°C) if the remote is lost. Safety features include proper grounding, overcurrent protection, anti-freeze function, and R32 refrigerant leak detection compatibility.24000 BTU split air conditioner, SEER 21 smart AC, WiFi enabled split AC, extra-large room split air conditioner, 230V split AC, R32 refrigerant AC, commercial split air conditioner, US home split AC, cooling heating split AC