Drips daytime only, to get bucks to come during daytime hours. Can operate for up to 2 - 3 Weeks on 4 FL OZ of scent depending on temperature swings. Gradually intensifies scent output to get bucks even more riled up! Normally shuts down during rain & bad weather, so it saves your valuable scent. Combo includes a Magnum Scrape-Dripper and 4 FL OZ bottle of Golden Scrape scent with break-through Scent Reflex Technology.