Transmitter Main functions: Transmitter NCV non-contact AC voltage induction measurement US standard three-prong socket L/N/E polarity detection AC voltage measurement US standard three-prong socket LN loop impedance measurement GFCI ground fault circuit interrupter test Low voltage indicator Automatic shutdown Transmitter Specifications: Packaging: Bubble bag + A4 size English instruction manual + product + brown box. Batteries not included. (Product uses 2 AAA batteries)Net weight: 90gWeight with packaging: 115g     Why Shop With Us Quality products. fair prices. and support that actually cares. 🏭 Direct from Manufacturers Curated suppliers + in-house QC for consistent quality. 🔥 Competitive Pricing No middlemen. Just great value on every order. 😊 Friendly Support 24/7 Real people. real help. We reply within 24–48h (Mon–Fri). 🏆 Loved by Customers Hundreds of 5-star reviews on quality and service. 🚚 Shipping & Tracking 📦Insured Worldwide Shipping: Each order includes real-time tracking details and insurance coverage in the unlikely event that a package gets lost or stolen in transit. 🔒Safe & Secure Checkouts: We use state-of-the-art SSL Secure encryption to keep your personal and financial information 100% protected. ⚡You may receive your items earlier depending on the route and carrier. 🔒 100% Risk-Free Purchase If your item arrives damaged or not as described. just contact us for a replacement or refund—simple and hassle-free. 🏢 Our Warehouse & Processing Please allow for processing time and consider holidays or unforeseen events that may affect shipping.