10pcs 5730 smd 5v 3w led bulbs natural pure warm white light board leds lighting emergency lights night lightings spotlight

1. low heating generation to reduce electricity consumption 2. saving money on electricity fee 3. great reducing carbon emission 4. minimizing drastic climate change 5. great reducing maintenance cost 6. long lifespan 7. instant start, no flashing 8.solid state, shockproof; applications: widely used in traffic lighting, landscape lighting, advertising lighting, indoor lighting, special lighting and so on. information for 3w led; 1.voltage: dc5v; 2.color: warm white 3000-3500k / natural white 4000-4500k / pure white 6000-6500k; 3.size:31mm; middle hole size: 10mm; hole distance: 21mm.syi