supply of 24 watt rechargeable dc table fan , 24 watt rechargeable dc table fan with charger, type : rechargeable dc table fan 300 m m, fan size : 300mm . rpm (at max speed) : 1600 (minimum), motor type : high speed dc motor, fan bas e : without wheel speed steps : 3 (minimum), number of blades : 3 (minimum), blade type : aerodynamic ally balanced blades, power source : battery operated, power input : 24 watt, power backup : up to 10 hrs, battery type : lithium-ion for high backup, charging : direct charging, full charge indicator : yes, protectio n : overcharging protection. aceeptable make- - amicismart or equivalent [ warranty period: 30 months after the date of delivery ] ]