Ulta-Lit Tree Co 01203-CD Light Keeper Light Repair Tool, Repairs most light sets by addressing the damaged bulb at the plug or at the bulb socket. LED headlight helps visibility during repairs. Audible continuity detector traces the circuit to the point of interruption. 3-way bulb puller helps you easily remove tight bulbs from their sockets. Includes bulb and fuse tester. Works on both indoor and outdoor bulbs. Features built-in storage compartment in the handle. Batteries included.