No UV or IR radiation. Energy efficient. Suitable for patio, path, stair steps, museum wall base, basement, indoor and outdoor decoration. This light has been CE/RoHS certified, safe to use. Modern design in high quality aluminum, solid and impact resistant. Item Dimensions: 8 x 8 x 4.5cm; open hole: 4.8 x 5.6 cm. Perfect for porch, path, stairs, wall floor, bar, museum, basement, home decor. Easy to install, easy to replace, convenient with Extremely long life: 50,000 hours. Long working time, 12 hours/day is perfect, low heat product, no HF interference.