Specifications:- Each Overall Dimension(LxWxH): 9 1/16" x 5 1/8" x 1/2" (23 x 13 x 1.2 cm)- Fit for Menu Size(LxW) up to 3 3/8" x 5 11/16" (8.5 x 14.5 cm)- Charge Capacity: 500 mAh- Input Current: 100 mAh- Voltage: 3.5 V- Charging Port: Type-c- Total Net Weight: 2.92 Lb (1.32 kg). Package Contents:- 4x Led Menu Covers- 4x Adaptors with Usb Cords- 4x Manual. Notice: - Kindly note that the menus shown in picture are Not included, as they are for illustration purposes only.