... 2. Using at home, you may set in night mode (if you are out of home in the daytime), ... automatically spray at nighttime.3. Using at amusing building, you may set in full ... as: hotel, restaurant, plaza, club, etc.3. Home, shop, plant, compartment and so on.This product ... every 30 minutesON spray for 24 hoursSensor spray in the daytimeTimeApprox. duration (Refill can)7 min ...