Digital Outdoor Window Thermometer, Small, White SIMPLE DESIGN - The Wrenwane Outdoor Thermometer is an attractive but simple designed unit with no over-complicated controls. The unit itself is white, and features a clear plastic trim around the edges. WATERPROOF - The window thermometer is completely waterproof and so can withstand even the most adverse weather conditions. VERY SIMPLE TO OPERATE - No instructions necessary. This is the simplest outdoor digital thermometer on the market with no buttons to operate. SUCTION PAD FOR EASE OF PLACEMENT - Just find the best spot on the door, then attach the unit with the small suction pad which will keep the thermometer in place until removal is required. WIDE RANGE - The temperature range is from -4F to 140F allowing you to use this outdoor thermometer in the majority of weather conditions.