The product is approved by Light My Bricks and is safe for powering your collections. The specifications include the following dimensions: Length: 10.3 cm, Width: 2.3 cm, Height: 2.3 cm. The power bank has a capacity of 3350 mAh, ensuring sufficient hours of operation. It features an ON/Standby power button for easy powering. The package includes an instruction manual and a USB cable for recharging (adapter not included). The operating time is approximately 5-6 hours with lighting kits, depending on the specific kit. The product features high-quality construction.