Usage Tips:E12 C7 Incandescent Bulbs for Night Lights and Salt Lamps. Use it to keep your bedroom or other sleeping area bright while you sleep so you can see the road clearly in the middle of the night. Premium filament, longer life and more durable, these 7-watt long-lasting incandescent replacement bulbs provide about 1,500 hours of light and warmth. Multi-purpose bulbs for night lights, salt lamps, electric window candle bulbs, Christmas light strings, chandeliers, holiday decorations, signs, exit signs and other E12 base bulb replacements. Color: As shown in the picture Material: Glass Size: 54mm Package Contents: 20 x Bulbs Above package contents only, other products are not included. Note: Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowable error is +/- 1-3 cm.