2835 LEDs are 30% Brighter than older 5730 LEDs 150 lm/W vs. 61mm x13mm (2.4 inch x 0.51 inch) vs. 75mm x15mm (2.95 inch x 0.6 inch).
LED Type: Latest 2835 SAMSUNG LED. Each 20 LED module set can extend up to 3.3m (10.8 feet). Power Consumption: 1.5W/ Module. Dimensions: 61mm x 13mm (2.4 inch x 0.51 inch). 3M Self-Adhesive Backing on LED Modules.