Specifications Power Source: DC (USB Powered, 5V) Voltage: 85–265V High-concerned Chemical: None Features: Dimmable, USB-powered Color Temperature: Warm White (2700–3500K), Cold White available Model Number: Happy Birthday Neon Sign Luminous Flux: 249–2000 lm Beam Angle: 180° Average Life: 50,000 hrs Warranty: 1 Year Application: Commercial, Engineering, Indoor, Professional, SAILING Brand..