Feature: 1. Input and output are completely separated to ensure security and high reliability. 2. With high‑speed maximum power point tracking (MPPT), reverse power transmission. 3. Multiple units can be stacked in parallel, with built‑in high‑accuracy electric meters. Global voltage/frequency adaptation. 4. High‑accuracy voltage induction microgrid mode, 5G IoT platform data management. 5. Using self‑cooling heat dissipation method, long service life, with mobile phone APP monitoring, more worry‑free. 6. Support forward full‑bridge topology high‑frequency modulation grid‑connected mode. 7. Installation and maintenance‑free, the solar inverter is waterproof and easy to use. Specification: Item Type: Micro Inverter. Material: Aluminum Alloy + Electronic Components. Product Size: Approx. 15.1x16.5x3.9cm / 5.9x6.5x1.5in. Weight: Approx.1017g/35.9oz. Model: 300W. Package List: 1 x Micro Inverter. 1 x Cable. 1 x English Manual. 1 x Bag of Accessories(2 x Screw, 2 x Nut, 4 x Accessories, total 8pcs). Note: 1. Before installing WVC series micro‑inverter products, please read this manual first and pay attention to the installation details. 2. This manual contains important instructions that should be followed when installing and maintaining Kadant micro‑inverters. In order to reduce the risks of electric shock and ensure safe installation and operation of the inverter, always follow the following safety symbols present in this document to indicate the danger Situation and important safety instructions. 3. Please note that the new type and old type of this product will be sent randomly,and make sure you will not mind before ordering.