... lines, tidy and beautiful. 3. 3527, whose light-emitting area is 3 times of that of 3528 ... 4. UV adhesive and high intensity UV light are applied to paste PCB board and glass lens ... rapidly, no mark left.5. XM alloy is light, thermal conductivity: ≥283 W/M*K, equal to ... etc. 4w SMD LED bulb GU10, diameter 50mm LED SMD spotlight bulb dimmable longlife CE RoHS approved (GU10, MR16, E27, E14, B22)