The Extech TK430 True RMS Multimeter and Clamp meter kit. Ideal for electrical testing needs including installation and repair of electrical systems, HVAC equipment and large appliances. Includes: Model EX430: True RMS, auto ranging multimeter with 11 functions. MA200: 400 Amp Clamp meter with basic AC Current and 1mA resolution. 40130: Non-contact voltage detector (from 100 Volt to 600 Volt AC).