... Lithume battery 8 Channels Portable Light Source Specification1. LED lamps( imported from USA Philips Lumileds Lighting Company ) , life time: 100000 hours ... ;2. Multi-channels: 395nm, 455nm, 470nm, 505nm, 530nm, 590nm, ... 4. Each torch has an independent band light, 8 torches can be satisfied of common requirements of light ...