According to various technical listings on AliExpress and RGB Automatyka , the key parameters are: Specification 10V – 30V DC Output Type Constant Current (dual lamp port) Compatible Screen Sizes 15 inch to 24 inch Dimensions 70mm (Length) x 20mm (Width) Weight Approximately 0.1 kg Key Features
Features a dual-port output for connecting two LED strips simultaneously. gyd-9e datasheet
Enable signal. High (3.3V–5V) turns the backlight on; Low (0V) turns it off. According to various technical listings on AliExpress and
Common issues and solutions for the GYD-9E: gyd-9e datasheet