These are not cheapest because they made to strict UL specifications with high quality name brand  LEDs 

They emit at least 80% more light with color temperature similar to direct Sunlight and excellent color rendering index (CRI) 90 RA

They made on heavy duty 2 oz copper flexible PCB with genuine 3M adhesive back

We test each LED batch with spectra radiometer, please look at the actual readout screenshot

This listing is for a 8 ft 2 in LED light strip with 150 SMD LEDs (3528) 500K with 120 degree light dispersion angle.

 Strip contain 150 Pure white LEDs consuming only 12 watt (12 volt 1.0 amp DC)

Light output is 800 lumen - equal to 75 watt incandescent light bulb! 

Color temperature and light output: 

Pure white 5000K, 800 lumen, (similar to direct Sunlight, no blue tint like others so-called "white LED's, please scroll down to see color comparison picture)

This sale is for a 8.2 ft long flex strip with 150 LEDs with 120° light dispersion angle (SMD 1210, 3528). Special order Pure white LEDs, color temperature 4200-4300K, similar to direct sunlight - no blue tint as early  LEDs use to emit or so-called "white" (bluish white) sold elsewhere, see pictures below). Entire 8.2ft strip consume only 12 watt (12 volt 1 amp DC) while emitting light equal to 100 watt incandescent light bulb! These strips are made as flexible printed copper circuit board less than 3/8" wide and only 1/8" thick with self adhesive 3M back. Extremely easy to install. Photo below shows an example of kitchen installation - Warm white strip was cut in 3 parts, 3 holes of 1/4" were drilled, connecting wires and power supply are hidden in cabinets. Less then one strip (about 12 ft of Warm white strip) is used in this installation. Strip can be cut every 1 -7/8" (3 LEDs), each part can be soldered and powered by the same or additional 12 volt power supply. LEDs spaced less than 5/8" apart, 19 LEDs per ft.  These strips are perfect for kitchen under cabinet lighting, glass door cabinet lighting, accent, picture and decorative lighting, produce warm white light! The light output is equal to 5 x 30 watt halogen bulbs. Please do not confuse with low power rope lights: these are very bright LEDs and shipped with 12 volt regulated UL approved power supply capable of 1.5 A (1500 mA) output.  Strip shipped with Black (-) and Red (+) wire leads, UL listed power supply and female jack connector. Please contact seller, if you should have any questions. The expected life span is more than 30,000 hours.