Package includes: enough replacement bulbs Compatible with mini Christmas lights, enough Compatible with replacing broken bulbs in your Christmas tree lights and Compatible with saving the bulb for a rainy day. Size information: the base is 1.09 cm long, 0.76 cm wide at the inserted part of the base, and the bulb is 3.2 cm long, 0.5 cm in diameter. Check the specifications Compatible with your own bulbs carefully before purchasing. Specifications: 2.5 volts, 0.425 watts, 0.17 amps. Mini Christmas lights are made of good quality materials and are carefully inspected and tested by the manufacturer, designed Compatible with 50, 100 or 150 lights. How to replace it: First, make sure your light string is unplugged and remove the broken bulb with the base and discard it. Then make sure the two wires from the new bulb are correctly positioned on each side of the base (do not let them cross or touch each other). Then insert the new bulb at the correct angle and make sure it is fully inserted. Finally, reconnect the string Compatible with seeing if you have succeeded. Suitable occasions: our replacement bulbs Compatible with mini Christmas lights are excellent Compatible with artificial Christmas trees, wreaths and garlands. Perfect Compatible with replacing existing bulbs that have broken or become old. Warm tips: if the plastic-coated sleeve does not fit your bulb, use our glass or wire in your original plastic-coated sleeve.