Check the listing for details. Milwaukee 2223-20 GFCI Receptacle Tester. Color: Red, Condition: New. Listed at 22.99 USD. Milwaukee 2223-20 GFCI Receptacle Tester Our GFCI Receptacle Tester is designed to reduce the risk of electrical shock generated from outlets. The over molded grip provides durability and comfort for all applications. Additionally, the visual indicator light turns on indicating the activation of the GFCI test, if functionally correctly. LED visual indicators help determine the wiring conditions of an electrical outlet. Wiring conditions indicated: hot & ground reversed, hot & neutral reversed, open hot, open neutral, open ground, and correct wiring. Key Features: Over Molded Grip for Durability and Comfort Verifies the Functionality of a Ground Fault Protective Device on GFCI Outlets LED Visual Indicators Identifies Wiring Conditions in Electrical Outlets CAT II 300V Safety Rating Built to Withstand a 6-Foot Drop 2-Year Warranty Product Specifications: Material Composition: Plastic Length: 1.13 in Weight: 0.1 lb Height: 1.5 in Width: 3 in Power Source: Cordless