Sperry Instruments, Volt Check Voltage & Continuity Tester, Multi Function Tester Measures AC Volts 24-600, DC Volts 6-220, Continuity & Detects AC Voltage 50-600 With Non-Contact Tip, Audible & Visual Indication, DC Polarity, Snap In Probes For Convenient 1 Hand Operation, 36" Flexible Leads, Soft Grip Contoured Design, Magnetic Back Attaches To Electrical Panels, Hi Impact ABS Housing, Operates From 3 "AAA" Batteries, Included, Limited Lifetime Warranty, Carded.