DIY FENCE TESTER: This is the safest way to find out if the electric fence is working. You donâ€t need to risk yourself or someone else by touching a potentially live wire. Instead, this battery-operated tester has to be simply placed near the electrical fencing. COMPACT DESIGN: Pocketable design ensures the portable current tester can be carried anywhere. The fence beeper is easy to attach to a keyring, ensuring you donâ€t need to plan a day for checking-out the live wire status of your fenced perimeters. NO CONTACT TESTING: The keyring beeper has to be placed in the proximity of the fence lines. This ensures user safety even when the conditions are wet and chances of electrical shocks is at its maximum. CONVENIENT USE: There is expensive equipment out there for electric fence testing. But this fence tester has an amazingly simple operation without any setup or installation. It emits a high-pitch beech upon detecting live wiring fences—easy, impossible-to-miss alerts! PRODUCT SPECIFICATIONS: This Electric Fence Beeper comes with replaceable batteries and a keyring attachment. The live wire test device is available in Black color. Made from tough materials, it can withstand the outdoors.