Elevate your home comfort with this 12000 BTU smart WiFi window air conditioner. engineered for US households. offices. and medium-sized rooms. Equipped with WiFi connectivity and powerful heating & cooling functions. it’s powered by eco-friendly R32 refrigerant (low ozone depletion and global warming potential) to adapt to every season. Designed for 200-300 sq ft spaces. this unit operates on 115V power (15A time-delay fuse for cooling. 20A for heating) and features an LCDI power cord—required by UL—to ensure electrical safety by detecting leakage.Benefit from flexible installation: it fits 26”-36” standard double-hung windows or can be mounted through-the-wall (requires a 20”×15.2” wooden frame. max 8.9” wall thickness). The package includes all necessary hardware: 5×3/8” short screws. 4×1/2” length screws. 3×3/4” long screws. 2×5/8” big flat head bolts with locknuts. 4×1/2” small flat head bolts with locknuts. sill angle bracket. left/right support brackets. window filler panels. sash lock. foam window seal. and AAA batteries for the remote. Basic tools (Phillips screwdriver. drill for  holes) are needed. and the unit’s 3° rear tilt ensures proper drainage to prevent leaks.Control comfort anytime. anywhere: use the wireless remote for on-the-spot adjustments (0.5-24h timer. sleep mode with auto temp adjustment) or connect to WiFi for app control—monitor energy usage. set schedules. and adjust temperature from your phone. The 3-speed fan (Hi/Med/Lo) and directional louvers (horizontal/vertical) optimize airflow. while ECO mode saves energy by cycling off when the set temperature is reached.