The device is an iBall Nirantar UPS-621i, an uninterruptible power supply. Key features include:

600 VA line-interactive UPS

33% faster recharging for quicker backup

Supports micro-load systems like CCTV

"No Load Shutdown" function

Protects from data loss

Wide input voltage range

LED and audible alarm

2-year warranty including battery

Automatic voltage regulator

Provides overload protection