Feature: 1. Adopting a clear 1.44-inch LCD display screen, one screen displays voltage/current/power and other data, with a wide viewing angle of 160 °, high brightness, and long working time. 2. Hardware protections: Output shortcircuit protections, short circuit does not burn, output antibackflow, can directly recharge rechargeable batteries without the need for antibackflow diodes. 3. Software Protections: Overvoltage protections, Overcurrent protections, Overpower protections, Over Temperature protections, Input Undervoltage protections, Power Chip Self protections. 4. Switch between foreground and background colors as youwish, with 64 colors to choose from and freelymatch. 5. The screen can rotate in four directions. 6. Thickened heatsink, two-way ventilations, fine heat dissipation effect. When the temperature exceeds 50 degrees or the current exceeds 1A, the fan automatically starts. 7. The WiFi version supports remote control through mobilephone apps. Specification: Type: XY-S3580-W with Wi-Fi, XY-S3580 no Wi-Fi (optional)Main color: blackItem size: 79 * 42mm / 3.1 * 1.7inPackage size: 100 * 60 * 50mm / 3.9 * 2.4 * 2.0inPackage weight: 104g / 3.7ounce Package List: 1 * PowerSupply Module1 * Wi-Fi Module (only XY-S3580-W)