【Durable Vintage Build】Metal housing with brass antique finish, weatherproof construction withstands humid & rainy outdoor conditions, sturdier than plastic alternatives.
【Battery-Free Operation】Full mechanical analog structure, no batteries required for real-time readings, ultra low maintenance for all-season use.
【Installation & Maintenance】Install in shaded ventilated areas avoiding direct sunlight and precipitation; wait for device stabilization after mounting. Clean with soft cloth routinely for longer service life.
