Product name  led track lamp      LED quantity  12PCSX1W  light brightness  960LM -1080LM  illumination  616Lux(black)  Input voltage  (AC) 12v - 24v  working frequency   50-60HZ  Angle of light is optional  15-120  Working temperature  45 ~ + 55 deg c  Storage temperature  - 30 ~ + 45 degrees Celsius  Use environmental temperature  - 30 ~ + 40 c   power  12w  life maximum minimum  50000hr > > 22000hr  Colour temperature  2500-8000K (optional)  Colour black ,silver ,white (optional) LED track lamp features:   a) No UV or IR(infrared) radiation, no lead, eco-friendly b) Low energy consumption, saves 70% power comparing conventional lights c) Less than 6% light attenuation , 50,000 hours lifespan d) Instant start, no speckle, no flickering, no humming e) Excellent heat dissipation due to unique structural design    LED track lamp Application:   Applicable for Buildings, outdoor squares,exterior walls,floor,body contour,bridges,river embankments,squares gardens and othet occasions cast wall wash light and contour outline,can also be used for entertainment ,access,indoor lighting rendering, etc