RACK-A-TIERS 99000 AC Sensor Non-Audible

Prevent electrical shock with this simple tool to located dangerous defective grounds.This handheld device helps you determine the presence or absence of 50-1000 Volts AC in insulated wires, wall receptacles, fuses, junction boxes, and voltage carrying electrical systems. The bright, red glow indicates AC voltage.FEATURES:• Non-contact detection of 50-1000 VAC• Includes 2 replaceable AAA alkaline batteries• Senses voltage without metallic contact• Outstanding safety instrument