Lydite fence tester offers an inexpensive alternative to a digital voltmeter using simple LED light bank to indicate fence voltage.Lydite factory manufactures three kinds of digital fence testers for farm .Here to see more fence products:http://lydite.en.alibaba.com/ Contact:[email protected] Product features: Power supplied by 1 piece 9V (6F22) battery.(Not provided by seller) Display:LCD Max Reading:9.9 Measurement Range: 0.2kv to 9.9kv (200 volts to 9,900 volts) pulse voltage. Size:17.4x7x3.3cm(for main body only) N.W:about 85g Package:1 pc/bag Saving battery power and ensures that the fence tester is turned off when not in use. Operation Instruction 1.Drive the probe into the moist soil. (If the soil is too dry, add a suitable amount of water to the soil in advance.) 2.Connect the test hook to the fence line. 3.The fence tester will turn on when a pulse is defected. 4.If further pulses are detected, the voltage will be displayed. For more accurate measurement result, read the display after three pulses have been detected. Note: Reading’s unit is kV. For example, if the display reads 6.0, the voltage value is 6.0 kV. 5.After the test hook is removed from the fence, the last reading will be held on the display for about 4 seconds. It will turn off automatically in 4s when no pulse.