1. The light's waterproof grade is IP65, able to withstand rains, but it can't work under water. 2. Cut off power supply before and in installation process. If the product is damaged due to mal-operation, it shall not be guaranteed. Please have it mounted by a professional. 3. The light's operating ambient temperature is between -20ºC and 50ºC. The temperature of operational site shall not exceed 45ºC, to ensure the light's service life. 4. Since the light power is high, when power line is arranged, it's necessary to select a proper power line according to actual power, and supply power in single phase. 5. Please don't dismount the light without authorization. Please contact professional maintenance personnel or the manufacturer if the light isn't lit or is faulty otherwise. TradeTerms: 1. Payment: 30% before production ,full payment before shipping by TT or Paypal. 2. Delivery Time:2-5 days for sample, mass production depends on the QTY. 3. MOQ: 1PC. 4. Customers can freely choose the shipping way, TNT, DHL, FedEx, by air or by sea etc. We have professional freight forwarders, on the transportation we will not earn customers one penny of profit. Of course customers also could use your own freight forwarders, we will fully cooperate with you. 5. Shipping port: Shenzhen Port Our service: 1.Your inquiry related to our products or prices will be replied in 24hours. 2. Professional service will surely be offered by the well-trained and experienced staffs 3. Protection of your sales area, ideas of design and all your private information. Application: 1.Mainly used in the landscape lighting, building, advertising brand lighting, medical culture and other specialized facilities lighting; 2.bars, dance halls and other entertainment places; 3.docks, warehouses,gymnasium, schools and so on.