... shadow. 2. Exactly fastener, easy for embedded installation. 3. Internal driver,Can directly replace existing fluorescent lamps and don't need ... Material: aluminum alloy quality,Anti-UV,Anti-corrosion dealing etc.;Driver detailed & long time test;LED chip color temperature,CRI, ... ).Light efficiency:110lm LED chip,in housing about 80lm/w2).Driver Efficiency >90% in reality3).CRI>82Ra,subject color is ...