TL: Lamp Type (Tunnel light) 10W: LED Power (10W) WH: LED Color Rf .No WW1 WW2 WH RD BL GR YE Color Warm white/3000K Warm white/4000K White Red Blue Green Yellow Remarks: For white and warm white color we have the following charm for you information: R f. NO Warm white/3000-3500K Warm white/4000-4500K White/6000-6500K Lumen Over 400 Over 400 Over 400 N1: Voltage range N1:120VAC N2:230VAC Housing: Aluminum LED Type: 10W high power packed multi-chip point source led. Color option: white/warm white/blue/red/green/yellow Heat dissipation management: well designed aluminum heat sink. Electrical Management: Constant current driver special designed for the 10W LED. Optic management: Reflector. Reflector angle option: 60 degree