Waterproof & Easy to Clean : Waterproof rubber ring of the front glass lens edge and waterproof cover at the clock's movement. Sturdy plastic frame and flat glass lens, makes it easy to clean and keeps dust away from dial. Widely Used Diameter in 16". The waterproof outdoor clock with thermometer perfect for outdoor/indoor, patio, garden, yard, pool area, porch, garage, kitchen, living room, bathroom. Easy to Read : The large wall clock features large black bold numbers, a light parchment style background, easy to read. Easy to Install Come with a hook, wide slot in back for easy hanging.