These are the original and  AUTHENTIC versions of the KII meter made by KII Enterprises.   Beware of the cheaper knock off KII meters, they are not the same thing and not the same quality.   The price posted is the price all autorized resellers have to sell the authentic KII meter so watch out and dont be baited by a lower price.
 
• Push Tab to Turn "On" Push Tab to Turn "Off"
• Easy to read Multi-Segment LED Display
• Detects the ELF range (50 to 1,000Hz) & VLF range (1,000 to 20,000Hz)
• Five level milliGauss ranges
• 50 & 60 Hz operation
• 9Vdc Operation
• Single Axis • Accuracy of ±5% at 50-60Hz
• Instantaneous Response To EMF Fluctuations & Spikes