Feature: 1. MULTIPLE PROTECTION: Provide voltage regulation and surge protection to defend equipment from voltage fluctuations and sudden surges. 2. DATA PROTECTION: They are ideal choices for home and office environments, preventing game interruptions or data loss, and protecting devices from potential damage caused by unexpected power outages. 3. INTELLIGENT LCD: Equipped with an intelligent LCD screen, displaying battery status and UPS operation information. 4. QUIET WORK: In addition, the LCD display and noise can be turned off, allowing users to customize their preferences and enjoy a quiet working environment. 5. APP CONTROL: Supports USB connection for software monitoring of UPS status. With this software, you can monitor real time information such as battery capacity and load status, providing better control and enhanced user experience. Specification: Item Type: Uninterruptible Power Supply Material: Alloy Steel Stable Capacity: 500V Rated Power: 300W Input Voltage Range: 70-140V or 140-280V Battery Capacity: 12V battery x 1 Battery Capacity: 7AH x 1 (shipped with built in battery) Charging Time: 8 hours to recover to 90% capacity Transmission Time: 4 to 6 ms Waveform: Simulated sine wave Noise Level: less than 40dB Size: Approx. 280 x 90 x 140mm / 11.02 x 3.54 x 5.51in . Package List: 1 x Power Supply 1 x Manual