The Klein Tools 69355 is a three‑piece premium electrical testing kit designed for electricians, HVAC techs, and maintenance professionals. It includes a manual‑ranging digital multimeter (MM320), a dual‑range non‑contact voltage tester with flashlight (NCVT‑3P), and a GFCI receptacle tester with LCD (RT250). This kit covers the most common diagnostic needs for residential and commercial electrical work.Key Features Complete electrical testing kit including multimeter, NCV tester, and GFCI outlet tester Multimeter measures up to 600V AC/DC, 10A DC, and 2 MΩ resistance, plus tests batteries, diodes, and continuity NCVT‑3P detects 12–1000 VAC or 70–1000 VAC with a built‑in flashlight for dark work areas RT250 GFCI tester features a backlit LCD showing voltage and wiring conditions, including open neutral detection All required batteries included What’s Included MM320 Manual‑Ranging Digital Multimeter NCVT‑3P Dual‑Range Non‑Contact Voltage Tester with Flashlight RT250 GFCI Receptacle Tester with LCD Right‑angle test leads (for MM320) Batteries (pre‑included) Specifications Model: 69355 Voltage Detection: 12–1000 VAC or 70–1000 VAC (NCVT‑3P) Multimeter Range: 600V AC/DC 10A DC 2 MΩ resistance Receptacle Tester: LCD readout with wiring condition indicators and GFCI trip time display