Waters your lawn automatically the whole season Eliminates constant hassling with hose and sprinkler adjustments Attaches to your outside faucet and installs in one weekend Sprinklers retract into the lawn for a clean, uncluttered appearance and easier mowing Complete kit includes timer, 6 high efficiency rotary sprinklers plus tubing and connectors Self draining to avoid freeze damage in colder months Covers medium size lawn areas from 1000 - 3000 sq. ft., with average residential water pressure and flow Recommended minimum water flow: 6 GPM Rectangular watering area with proper head-to-head coverage: 512 sq. ft. at 6 GPM, 800 sq. ft. at 8 GPM, 1152 sq. ft. at 10 GPM Maximum watering area with all heads set to full circle pattern: 3050 sq. ft. at 6 GPM, 4845 sq. ft. at 8 GPM, 6936 sq. ft. at 10 GPM Sprinkler pattern (adjustable): 40 to 360° Working temperature: 32°F (min) - 110°F (max), timer should not be exposed to below freezing temperatures (32°F) Click here for more information on Electronic Recycling Programs