... Tempered glass 3.Internal control 4.3years warranty LED Wall Washer Specification:1.Model: ZK-WR-9W, led wall ... span50,000hoursPower factor>0.96Power supply efficiency>83%Constant current precision 3%Light efficiency ((η)>86%CRI>75RaWork temperature-30 +50deg ... for bars,clubs,hotels,stages,parks,plazasand art galleriesLED Wall Washer Features:1. Compact size for narrow space installation, adjustable ...