Greenlee GT-16 Specifications: • Voltage Detection: AC V 5-1000 • Frequency: 50-500HZ • Measurement Category: CAT IV, 1000V Greenlee GT-16 Includes: • Voltage Detector • (1) 1.5V AAA Battery Greenlee GT-16 Features: • Adjustable to safely detect power and low voltage. • Safely detects AC voltage without touching the bare conductor. • Adjustable for use on power wiring plus lighting, thermostats and other low voltage circuits. • Use to detect voltage in outlets, lighting fixtures, wires and cables. • Finds breaks in wires. • Identifies hot and neutral conductors. • Low battery Indication. • Manufacturer Limited Lifetime Warranty