Constructed from excellent metal with a historic bronze finish, this permanent weather immune thermograph withstands outdoor factors This 4 inch bronze outdoor thermograph features a traditional similar plan with dampness measurement, providing accurate temperature readings from 40°F to 120°F ( ±4°F tolerance) lacking requiring batteries Plant collection read large call and quick installation plan allow for bother complimentary mounting on partitions otherwise Combining functionality with aesthetic appeal, this outdoor dampness thermograph enhances your garden otherwise patio while providing essential temperature and dampness observing With its waterproof construction and metal body, this similar thermograph delivers consistent execution yearlong in various weather conditions