Honeywell CW200A Winter Watchman Offers a simple protective solution to prevent frozen pipes when you are away Easy to install by simply plugging the unit into a lamp near the front of your home. The unit flashes the lamp light if the temperature dips below a preset level in your home so the pipes won't freeze and burst Provides temperature range of 35-to-60-degrees Fahrenheit Includes 1-year limited warranty Maximum plug in wattage is 120 Watts