This drain plug offers an entirely new way to estimate and optimize ice life, track your cooler’s internal temperature, and so much more all from the convenience of your phone. The Ice-Timator links to your smartphone with Bluetooth technology, creating a bridge between you and your Rugged Road cooler. Receive real-time notifications within the Rugged Road app when it's time to replenish your ice - no more guesswork or unnecessary lid openings. Go further than ever before with confidence that your contents are fresh.