... angle nearly 180 Deg;2. Stainless steel screws, to fix driver;3. Exactly fastener, easy for embedded installation;4. Ultra thin ... Warranty:2 years1). If driver failed,we'll send new driver;2). If LED failed,we'll send new LED;3). Unclear reason,we ... alloy quality,Anti-UV,Anti-corrosion dealing etc.;Driver detailed & long time test;LED chip color temperature,CRI,lumen efficiency test;2 ...