Specification:
Item type: COB LED Chip
Brand: LUSTREON
Power:10W/ 20W/30W
Input voltage: DC3.0-4.2V(battery) /DC4.8-6.5V (solar panel)
Light source:LED
Light color:  White (6000-6500K)
Material: Aluminum
Substrate size: 60x40mm
Luminous surface size:25*25mm

Feature:
High power super bright LED light.
It can support for battery power Or solar Panel
No dizzy, no uncomfortable glare, no zebra strips.
Great for making light sources for flood light, fish tank, decoration light.

Package included:
1 X light bead chip