Qasa 24inches ac/dc solar ceiling fan: features : dual power: operates on ac 230v/50hz or dc 12v (perfect for battery/solar panel use).
auto change over for seamless power switching.
solar ready: supports 15-18v solar panels for eco-friendly power.
Energy efficient: 20W power consumption
performance: 4 metal blades, 5 speeds adjustable,
Max rotation speed of 450rpm Convenience: includes a remote control safety feature: power resumes with off for safety.
blade span: 630mm.