Looking for a 12 months insects surface spray in n outside the house

Try "Yates Home Pest Long Term Control Barrier Spray". Kills a wide range of pests such as cockroaches, ants, spiders, flies, mosquitoes, silverfish and cat fleas up to 12 months. Great for indoors and outdoors. Please read more of the product from the following link: http://www.yates.com.au/product/home-pest/insect-pest-control/yates-home-pest-long-term-control-barrier-spray