Feature:1. ABS MATERIAL: Electronic fence fault tester adopts ABS material, durable, resistant to cold weather and easy to carry2. ACCURATE DETECTION: Electronic fence fault tester trigger (power supply) can accurately detect whether the fence is normally powered3. LOUDLY BEEP: Add switch button, press the button close to the fence, if the fence is active, loudly beep will sound4. LIGHTING DESIGN: When the fence is active, this fence fault finder will flash red light prompts, simple and easy to use5. SLEEP STATE: The fence fault finder directly enters sleep state in dark place or at night, without causing harassmentSpecification:Item Type: Electric Fence BeeperMaterial: ABSType: Detection SeriesWorking Distance: 0.4-0.5 Meters / 1.31-1.64ftSize Without Ring: Approx. 8 x 3.5 x 1.5cm / 3.15 x 1.38 x 0.60inBattery (Delivered Without Battery): 3V, CR2032 Button Battery x 1Wide Applications: Used for farms, home gardens, sheep, pets, horses and livestock enclosuresWeight: Approx. 18g / 0.63oz.Package List:1 x Electric Fence BeeperNote:1. If there is no sound or the lights flicker, means that the fence circuit is abnormal2. Necessary to remove the screws on the back of the knob before replacing and installing the battery