May be used inside and outside. Residual is 4 weeks and is odorless. Mix what you need. A gallon usually completely covers a 2,000 to 2,500 sq. foot home. This one pint bottle will make the following finished gallons: 8-16 gallons (for residual spraying on building surfaces) Yields 240 gallons for lawn use. Will treat up to 40,000 sq.ft .outside. This professional extermination product is ideal for eliminating insects in and around your home. Conquer insect control is also labeled to kill Fleas and Ticks Harboring in lawns and backyards: For best results, lawn should be mowed a day or two before spraying. Spray using a pump sprayer in a slow, even sweeping motion, being sure to cover the entire lawn surface where the pests will normally frequent. Spray under ornamentals and trees, but avoid soaking young or flowering plants. If needed, repeat flea and tick extermination treatments in 7-14 day intervals.