BrandALL OUT How To UseRemove the cap and screw the bottle into the heater until secure.;, Plug the heater into a power outlet to start the device. ;, Adjust the slider for more powerful action.;, Make sure the device is not covered by any object or placed higher than the bed.;, For best results, switch on heater 30 minutes before going to bed.CompositionAll Out Ultra Power slider with Original Fragrance kills dengue mosquitoes. This is a combo pack of an Allout Machine and it's Refill. It has 100% more power with Control Slider for intensity adjustment Power+ technology for a full room coverage. Thermal Sensor to prevent over-heating. ;Nutritional Facts0.88% Transfluthrin.