(MEASUREMENT RANGE)The measuring range of the electric fence wire tester is (1000-10000V) pulse voltage, suitable for low impedance and standard fence controllers. Useful for finding faults in the fence line. One-year warranty and lifetime support. After-sales service guarantee within 1 year, subject to non-artificial damage.No battery needed, just test and use.(with CE+Rohs approval) (EXCELLENT MATERIALS) Digital electric fence adopting high quality ABS and copper materials, very sturdy in cold weather and long term as well . Lightweight and compact in size, the waterproof fence voltmeter is very convenient to carry. Product size: Approx. 16.7 x 6 x 2 cm / 6.57 x 2.36 x 0.79 in; Weight: 77 g / 2 .72 oz (approximately) (WITH 6PCS LIGHT) Equipped with 6 indicator lights corresponding to the detected voltage respectively, accurate and useful. Applied to measure the tension of any metal wire, multi-wire, rope, multi-band, fence wires, exciters, etc. Electric fence tension tester is also suitable for farms, home gardens, sheep, animal fences pets, horses and livestock. (DESIGN FLEXIBILITY AND MULTIFUNCTIONAL) The electric fence detector can be adapted to any animal control situation, providing both budgetary and design flexibility. You can use it to repair your electric fence or to test the voltage of your fence. (EASY TO USE DURING DAYLIGHT) The electric fence tester and fault detector can be used in daylight compared to LED light testers that you can't see turning on in daylight.