The Spartan Mosquito Eradicator is a uniquely effective, long-lasting, continuous mosquito control product that do not require batteries or electricity--just water! Hany along the property perimeter approximately 6' off the ground from a tree branch close to the trunk, within 180' of each other. Add warm water and shake. Provides continuous, long range protection. Minimal maintenance--maintain water level & replace at least every 90 days. Significantly decreases population in approx. 15 days. Provides 95% mosquito control for up to 90 days.