allsun Non Contact Voltage Detector Light Bulb & Fuse Tester 12-600 V AC Electric Tester Pen Christmas Light Bulbs Checker Sensitivity Adjustable Repairing Tool, Blue

* ABS * Non Contact Voltage Detector has audible and visual indication and has a built in bulb remover to remove bulbs from the light set easily. Take note that bulb has to be removed and installed in device, so if you are looking for something to simply run down the line and find a bad bulb without removal this is not your tool. * Bulb Tester is non-contact AC voltage detection, used as a 12V to 600V AC power tester, allows you to easily find any burned out bulbs on your Christmas lights. If you have any issues, check the batteries. * Non-contact Voltage Tester has adjustable detection sensitivity, With a push of a button you can locate your Christmas light string problem, operating environment is: 0°C to 40°C;relative humidity<80%; indoor use. It's a great tool to use around the house especially for DYI works. * Light Repairing Tool can test bulbs, fuses, and the light strand, saves you money by letting you quickly fix your existing lights. Parcel includes 2 pcs batteries, you can install well according ...