description non-contact volt tester/thermometer klein tools ncvt-4ir is a voltage tester that provides non-contact determination of ac voltage in cables, cords, circuit breakers, switches, outlets and wires; as well as infrared (ir) thermometer measurements, making it the perfect choice for hvac professionals. voltage tester provides non-contact determination of ac voltage. volt pen's compact design includes pocket clip for easy access. tester offers infrared thermometer measurements. backlit lcd display with 0.1-degree resolution. auto power-off conserves and extends battery life. screw-thread battery cap with o-ring ensures dust and water resistance. lightweight, compact tool with pocket clip provides easy storage and quick access. for more than 160 years, klein tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. klein isn't just the name of our company, it's also our family name. and since we're an american company that's family-owned and family-run, you know you can count on us to be here tomorrow. klein tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... since 1857. california proposition 65 warning. view warning label features voltage tester designed specifically for hvac applications non-contact voltage tester provides non-contact determination of ac voltage in cables, cords, circuit breakers, switches, outlets and wires, and ac voltage in security, entertainment, communications, environmental control, and irrigation systems detects ac voltage from 12 to 1000v with visual and audible indicators 4:1 distance-to-spot ratio ir thermometer with user selectable degrees fahrenheit or degrees celsius from -22 to 482-degree fahrenheit (-30 to 250-degree celsius) convenient laser pointer to target measurement area for temperature measurement backlit lcd display with 0.1-degree resolution auto power-off conserves and extends battery life screw-thread battery cap with o-ring ensures dust and water resistance lightweight, compact tool with pocket clip provides easy storage and quick access specifications acme tools brand name klein tools acme tools part number ncvt-4ir assembled weight (lbs) 0.112 battery quantity required 2 battery size aaa california proposition 65 warning required yes color / finish yellow country of origin china dc polarity indicator no dc voltage n/a digital / analog digital digital display yes globaltradeitemnumber (gtin) 00092644690617 internal supplier part # ncvt4ir internet product code (ipc) 99842c591d4 manufacturer warranty please refer to attached warranty document. material plastic package depth 9.5 package height 1.5 package weight 0.27 package weight (lbs) 0.27 tester type voltage upc 092644690617