Upgrade your small-space comfort with this 9000 BTU smart split air conditioner, part of the SEER 18.5 high-efficiency series, engineered for US households. Designed with WiFi connectivity and eco-friendly R32 refrigerant, it delivers powerful cooling, heating, and fan functions while minimizing energy consumption and environmental impact. Operating on 230V/60Hz power (dedicated circuit recommended), it’s perfect for 150-200 sq ft areas like bedrooms, home offices, or small living rooms.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 (per safety guidelines) – the kit fits standard wall installations with a 5°-10° slanted wall hole for proper drainage, and connecting pipes support lengths from 9.8ft (3 m) to 65.6ft (20m).Control comfort seamlessly via the WiFi app (scan QR code for iOS/Android download) or remote: set 24h auto on/off timers, adjust temperature (60.8-89.6°F cooling, 50-89.6°F heating), and toggle swing mode for even airflow. The indoor unit features a force switch for emergency use (AUTO mode, 77°F/25°C default) if the remote is lost. Safety highlights include proper grounding, overcurrent protection, anti-freeze function, and R32 refrigerant leak detection compatibility.9000 BTU split air conditioner, SEER 18.5 smart AC, WiFi enabled split AC, energy efficient split air conditioner, R32 refrigerant AC, 230V split AC, small room split air conditioner, cooling heating split AC, smart home air conditioner