Nemtek Fence Tester - Easy 

• Includes clips to connect the wire or poly tape
• Indicates power on the fence for peace of mind
• Visible from up to 1km at night and 100m during the day
• No batteries required
• Uses minimal power from the fence
• The frequency of the flashing LEDs indicates the amount of energy on the fence. The longer the period between flashes, the lower the voltage on the fence
• Highly visible LEDs allow for a 160-degree viewing angle. This allows the light to shine into the secure area only
• Can operate from 0.9kV to 12kV
• Can be used with most electric fence energizers