1、Can store 550pcs Chinese characters or 750pcs English characters or picture information of the same capacity. 2、Can display the language of all countries, making it easier to use. 3、Move up, down, left and right, fixed, flashing, snow, marquee, scroll, animation, laser display mode 4、Built‑in 240mah, 7V lithium battery, display the remaining battery when power on. 5、Used in stations, terminals, airports, shopping malls, hospitals, hotels, banks, securities markets, construction markets, auction houses, high‑end restaurants, cafes, bar cafes, KTV, cake shops, supermarkets, tourist attractions. 1 x LED Name Badge1 x Data Cable Item Type: LED Name BadgeOptional Color: Blue, Yellow, WhitePoint Spacing: 1.93mmDot matrix: 11x44Material: ABS plasticDimensions: Approx. 93 x 30 x 6mm / 3.7 x 1.2 x 0.2inScreen size: Approx. 85 x 23mm / 3.3 x 0.9inDisplay Language: All national languagesStorage Content: Can store 550 Chinese characters or 750 English characters or image information of the same capacitySwitch Button: 1. Press the brightness button to adjust the brightness. Press and hold the brightness button to turn the machine on and off. 2. Short press the information button to switch the information.Display Speed: 8 levels, 1 is the slowest, 8 is the fastestDisplay Mode: Move up, down, left and right, fixed, flashing, snow, marquee, scroll, animation, laserCharging Time: 2 hoursVoltage: 5VBattery Capacity: 240mah, 3.7V. Turn on the remaining battery.Working Time: 24 hours (when the brightness is 25%); at least 12 hours (when the brightness is 100%)