... 180 Deg; 2. Stainless steel screws, to fix driver; 3. Exactly fastener, easy for embedded installation; ... : Aluminum alloy Water-proof,Anti-UV,Anti-corrosion;Driver with strict & long time test before application; ... , packing etc. All with signature of the responsible.Driver Certificates and Patent in Germany, USA,Australia, Taiwan ... software2.Payment Term O/A,L/C,D/A,D/P,T/T,Western Union,Paypal etc ...