Specification Brand : Hyuduo BulletPoint1 : LED DRIVE: There are 10pcs LED chip bulb in the set, and the LED module can be flexibly combination for better lighting effects. BulletPoint2 : SUPPLY VOLTAGE: Can be used for various 3.3V or 5V single chip microcomputer to control lighting through wire connection, no additional drive required, and can also light up with direct power supply. BulletPoint3 : WIDE APPLICATION: Allows for wide application on MCU control, indicator light, lamp tube and so on, and the pretty lighting enables good decoration. BulletPoint4 : EASY TO INSTALL: Comes with a compact size and a light weight as well, the convenient installation can be quickly completed in minutes. BulletPoint5 : EASY TO USE: High on and low off. The dimming can be controlled by PWM, making the simple and efficient. Color : Mrb050a Red ExternallyAssignedProductIdentifier : 4894927451306 IncludedComponents : No ItemName : Led Module, 10Pcs Led Module 20 X 20mm, 10mm 3.3V to 5V Decorative Light Board Chip Bulb for Home Decoration, Led Segment Displays (MRB050A Red) ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : led-segment-displays Manufacturer : Hyuduo ModelName : Hyuduostbd2czh8f-11 ModelNumber : Hyuduostbd2czh8f-11 NumberOfItems : 1 PartNumber : Hyuduostbd2czh8f-11 ProductDescription : Specification: Item Type: LED Module Plate Size: Approx. 20 x 20mm / 0.79 x 0.79in Supply Voltage: 3.3V-5V Operating Temperature: -40℃ ~ 85℃ Nature of Work: LED Drive Software Interface: Digital TTL