2 Channel 5V Computer USB Smart Switch Controller PC Relay Drive Module Expansion Board

Features: 1. Onboard square USB interface, stable connection. 2. Use imported high performance USB control chip. 3. Military grade PCB board production. 4. Adopt for HID technology, no need for any driver, plug and play. 5. Support for WIN7, XP 32 bit, 64 bit system, easy to use. Specification: Voltage: 5V The relay can control 250V, 10A AC load and 30V, 10A DC load Support system: For WIN7, XP 32 bit, 64 bit system Control terminal connection method: NC COM NO Fixed hole size: 3 mm Fixed hole center distance: approx. 52.2 * 36.6 mm 2.06 * 1.44 in Relay size: approx. 6.2 * 4 * 1.5 cm 2.44 * 1.57 * 0.59 in Product Weight: approx. 32.5 g 1.15 oz Package list: 1 * Relay Module