La Crosse Technology Outdoor Window Thermometer

Features: Clear Functional Design. Reads Outdoor Temperature. Easily From Inside. Records MIN & MAX Temperature with Auto Reset. Weather Resistant. Detachable for Window Cleaning. Specifications: Temperature Range: -13°F to 158°F. Temperature Accuracy: +/- 1.5°F. * Power requirements: Thermometer: 1 "AAA" Alkaline Battery. Dimensions: Receiver: 4" x 3.75" x 0.75".