Check the listing for details. Milwaukee 2224-20 Digital GFCI Receptacle Tester. Color: Red, Condition: New. Listed at 32.99 USD. Milwaukee 2224-20 Digital GFCI Receptacle Tester Our Digital GFCI Receptable 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. The LCD screen offers clear reading of the wiring conditions of an outlet, voltage, and trip time. 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: LCD Screen Offers Clear Reading of Wiring Conditions, Voltage, and Trip Time 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 135V Safety Rating Built to Withstand a 6-Foot Drop Powered by (2) AAA batteries 2-Year Warranty Product Specifications: Material Composition: Plastic Length: 1.06 in Weight: 0.225 lb Height: 2.19 in Width: 4.5 in Power Source: Cordless INCLUDED: (1) Digital GFCI Receptacle Tester(2224-20) (2) AAA Batteries