Describe: Wide Range of Uses: The electric fence tester and fault (power) finder can accurately detect whether the fence is properly poweRed. The fence voltage tester is suitable for use in farms, home gardens, pet and livestock fences. Applicable scenarios: The electronic fence buzzer can be used for electric fences such as steel bars and poly tapes, and the fence voltmeter can meet your various needs and is very economical. ABS Material: The electric fence buzzer is made of durable ABS material, cold-resistant, small in size and light in weight, easy to carry. You can perform voltage test anytime and anywhere. Simple to use: The electric fence buzzer with light is used to check the electric fence, please place the electric fence buzzer near of the fence, it will flash if the fence is active. Specification: Item Type: Electric Fence Buzzer. Material: ABS Color: as picture shown Weight: about 25g / 0.9oz Product size without ring: about 8 x 3.5 x 1.5cm / 3.1 x 1.4 x 0.6in Working distance: approx. 0.4-0.5m / 15.7 x 19.7in Battery: 1 x 3 V CR2032 button cell (battery not included in delivery). Purpose: to test whether the voltage of the electronic fence is faulty Applications: farms, home gardens, sheep, pets, horses and livestock fences Packing List: 1 x Fence Breakdown Tester electric (battery not included) 1 x Accessory Ring Notice: 1. If the light does not flash, it means the fence circuit is not normal. 2. Before you can replace and install the battery, you must remove the screw on the back of the button.