Cost-effective products Anti-UV ABS plastic shell, anti-corrosion Ripple fin titanium air exchanger 5~8% more efficient than standard heat exchangers No welding points reduce gas leakage risk by 30% Blue tec coated hydrophilic evaporator Clock & Timing on/off function Water proof display and keyboard for operation Dual fan speed-low noise and horizontal air out Automatic heat/cool transfer Wide ambient working temperature -5℃~53℃ CE approval