... ,high reflective efficiency. 5:Nickel plating copper and eaterproof cable lock. Specification: Model NoH-QBD ... -25 to 55 degree Lifespan50000hoursIP gradeIP65Application: Applicable for Buildings, outdoor squares,exterior walls,floor,body ... and othet occasions cast wall wash light and contour outline,can also be used for entertainment ,access,indoor lighting rendering, etc waterproof(up and down ...