Plastic Material: The electronic fence fault tester is made of plastic, resistant to cold weather and easy to carry. Accurate Detection: This electronic fence fault tester with power supply can accurately detect whether the fence is properly powered. Loud Beep: Features a switch button; press the button and bring it close to the fence. If the fence is active, a loud beep will sound. Switch Button: The electric fence buzzer has a switch button design to prevent unnecessary beeping. Wide Applications: Simple and easy to use for checking electric fences on farms, home gardens, and for sheep, pets, horses, and livestock. Color: As shown in photo. Material: Plastic. Package Contents: 1 x Electric Fence Fault Tester. Note: Other products are not included. Note: Light reflection and different displays may cause slight color variations from the actual item. Measurement error allowed is +/- 1-3 cm.