Gardner Bender Circuit Alert Non-Contact Voltage Tester (Model GVD3504)

Stay safe and work efficiently with the Gardner Bender Circuit Alert Non-Contact Voltage Tester. Designed for quick detection of live AC circuits from 50 to 600 volts, this pen-style tester delivers both audible beeps and flashing lights to warn you of dangerous voltage without ever touching exposed conductors. Its slim, pocket-friendly housing and patented sensing tip make it ideal for electricians, maintenance technicians, and DIYers who need reliable, on-the-spot voltage verification.

Constructed of durable plastic and powered by a single AAA battery, the GVD3504 features a built-in “safe-test” routine that confirms battery health before each use. Whether you’re checking outlets, switches, breaker panels or light fixtures, this non-contact tester provides instant feedback and simplifies everyday electrical troubleshooting.

Key Features

• Detects AC voltage from 50 to 600 V with both audible (beep) and visual (flash) indicators
• Patented non-contact sensing tip for hands-off voltage checks
• Built-in battery health test ensures reliable operation
• Compact, pen-style design easily fits in a shirt or jacket pocket
• Operates on one readily available AAA battery (included)
• Safe for testing outlets, switches, breaker panels, wiring, and fixtures

⚠️ WARNING: This product can expose you to DEHP, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.