1、Excellent PCB Material: This programmable LED matrix panel is made of excellent PCB material, which is sturdy and abrasion resistan, not easy to be damaged, and has a long service life. 2、Easy To Use: This LED matrix panel is very easy to use, you need to connect it to DC12V power supply to use, the red wire connects to the positive pole, the black wire connects to the negative pole. Then the display can be connected to the for SPOTLED APP program via Bluetooth to freely edit text, animation and pictures. 3、Multifunctional: This programmable LED sign is multifunctional and supports text, image, GIF and other formats, you can mount it on your backpack, shirt, undershirt, car or motorcycle. 4、Compact And Lightweight: This sign LED display board is about 2.76 x 4.33 inches in monocular size, which is small in size and light in weight, and the DC12V cable at the end is up to 1m/3.28FT, which can be used in a variety of situations. 5、Wide Application: This programmable LED eyes has a wide range of applications, it can be used for rides, parties, festivals and so on, it is also a gift to yourself or others on birthday. Item Type: Programmable LED Eyes Material: PCB Application: for SPOTLED APP (download from for App Store) APP Support System: For Android, For IOS Power Supply Voltage: DC12V Communicating Method: Bluetooth Left Eye or Right Eye Screen Resolution: 48 x 96 Size: Single Eye Size: Approx. 2.76 x 4.33in / 7.01 x 11cm Cable Length: Approx. 1m/3.28ft 1 x Programmable LED Eyes