Light Keeper Pro-The Complete Tool to Fix Incandescent Light Sets. Includes: Bulb tester Fuse tester Batteries (installed) 5 Spare bulbs Simple operation - just pull trigger. Instructions included. If required they have a terrific customer hotline. New in box. If you have an extensive Christmas Light Collection and or a Pre-Lit Christmas Tree then the Light Keeper Pro is your best bet for resolving innumerable light string issues. It is truly great on Pre-Lit Trees. Please see all pictures before bidding. PLEASE REFER TO ALL PHOTOS FOR A BETTER VISUAL DESCRIPTION OF THE ITEM All of My Items Come from a Smoke Free Home I Strive to Ship Next Day Feel Free to Look Through My Other Listings Please Contact me with any issues prior to leaving negative/neutral Feedback or low detail ratings as I will always do my best to solve any problems that may come up! Please refer to all photos above for a better visual description of the product being offered and it's condition. If you have any further questions please feel free to message me Any props that are used in the taking of the photos are not included, only the item/items in the title of the listings are being sold