sholov portable air conditioner fan mini personal evaporative air cooler 90 shaking head with battery with 3 speeds & 2 misting & led light for home, bedroom, travel & office, usb charging, white sholov <b>product parameters</b><br><br> product name:portable aircooler fan<br> charging current:2a(max)<br> product model:qw-f19<br> spray quantity: 40-60ml/h <br> material science:abs/pp/<br> product size:126×137×196mm<br> electronic component/silica gel<br> weight:664g<br> water capacity:200ml<br> battery voltage:3.7v<br> battery capacity:4000mah<br> battery power:≤11.5w<br><br> <b>installation of fan cover and wind direction plate</b><br><br> 1align the top,bottom,left and right of four catches.<br> 2clockwise rotation of the fan cover,when you hear a slight "dang" after the installation is complete.<br> 3insert the lower bayonet of the wind direction plate, and then press "press" to complete the installation.<br><br> <b>caution</b><br><br> 1 this product must use the correct power supply.<br> 2 this product shall add water before use. in the case of water shortage, it is prohibited to use the humidification function.<br> 3 this machine cannot use corrosive liquid,please use mineral water or tap water.<br> 4 when using the product, place it in a flat place to prevent the product from falling down.<br> 5 the humidification function is set to 4 hours. when the water tank is filled with water, if the humidification stops after 4 hours.<br>