escription: 1. Made of high quality material, durable for daily use. 2. Very low heat generating, saving energy, environmentally friendly. 3. Low consumption, high brightness. 4. Comfortable light source, harmless for skin & eyes. 5. It is widely used for indoor & outdoor lighting & decorations in all ranges. 6. This LED lamp bead has low consumption, high brightness & is durable for daily use. 7. No harm to skin & eyes. It is widely used for indoor & outdoor lighting & decorations in all ranges. Specification: Color red, blue, yellow, green, cool white, warm white Weight 4g/pc Power 3W Voltage 3.0V-3.2V DC Current ≤600MA (Limited Current) Viewing Angle 120 Degree Wavelength Red:620-660nm Blue:440-470nm Yellow:585-610nm Green:520-530nm Cool white:6500k-7500k Warm white:2900-3200k Red:400-600lm Blue:90-180lm Yellow:400-600lm Green:540-720lm Cool white:900-1100lm Warm white:900-1000lm Size As the pic shown Note: Try to switch the positive & negative when the bulb don't lights. Package Included: 1 X LED Bulb