![What is this bulb from our Christmas light string. All of the other lights have a green base and this one has a plastic cover over it and is the first light What is this bulb from our Christmas light string. All of the other lights have a green base and this one has a plastic cover over it and is the first light](https://i.redd.it/epwly78ezp041.jpg)
What is this bulb from our Christmas light string. All of the other lights have a green base and this one has a plastic cover over it and is the first light
![allsun Christmas Light String Tester Non Contact Voltage Finder Meter Light Bulb&Fuse Checker Gun 12-600 V AC Mini Light Repairing Tool, Blue: Amazon.com: Tools & Home Improvement allsun Christmas Light String Tester Non Contact Voltage Finder Meter Light Bulb&Fuse Checker Gun 12-600 V AC Mini Light Repairing Tool, Blue: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71+tmrVDLgL.jpg)
allsun Christmas Light String Tester Non Contact Voltage Finder Meter Light Bulb&Fuse Checker Gun 12-600 V AC Mini Light Repairing Tool, Blue: Amazon.com: Tools & Home Improvement
![allsun Christmas Light String Tester Non Contact Voltage Finder Meter Light Bulb&Fuse Checker Gun 12-600 V AC Mini Light Repairing Tool, Blue: Amazon.com: Tools & Home Improvement allsun Christmas Light String Tester Non Contact Voltage Finder Meter Light Bulb&Fuse Checker Gun 12-600 V AC Mini Light Repairing Tool, Blue: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/717Sxpn2DaL._AC_UF1000,1000_QL80_.jpg)