How long does delivery take? Order processing and delivery usually take between 2 to 5 business days depending on your city. Do you offer a warranty on lighting products? Yes, all products come with an official warranty ranging from 1 to 3 years against manufacturing defects. Do you provide installation or technical consulting services? We provide detailed installation guides and free technical consultation for lighting selection. Commercial projects receive dedicated on-site support. How can I return or exchange a product? You can request a return or exchange within 14 days of delivery, provided the product is unused and in its original packaging.