TempPro TP200BW Wireless indoor outdoor thermometer. Dual-zone temperature monitor equipped with industrial grade outdoor temperature sensor of high accuracy of no more than ±2℉. With 500FT wireless range and weatherproof design, you can place the remote sensor anywhere you want and monitor the temperature of your surrounding environment in all weather conditons. Multiple mounting options lets you easily place the digital outdoor thermometer in your living room, babyroom, kitchen, garden, greenhouse, cellar, garage etc.