These are not cheapest because they made to UL strict specifications with high quality Epistar LED chips They emit at least 50% more light with color temperature similar to best Halogen or direct Sunlight and excellent color rendering index RA 90 CRI This listing is for a 8 ft 2 in long LED light strip with 150 SMD LEDs (3528) with 120 degree light dispersion angle. Strip contain 150 5000K Neutral daylight white LEDs consume only 12 watt (12 volt 1.0 amp DC) Light output is 800 lumen - equal to 50 watt Halogen light bulb! Color temperature and light output: Natural white 4250K, 800 lumen, similar to direct Sunlight! No blue tint like others so-called "white LED's, nor Yellow tint like Warm white LEDs 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 5000K, similar to direct sunlight - no blue tint as early LEDs use to emit or so-called "white" (bluish white) nor Yellow tint as Warm white LEDs 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 you'll need 12 volt regulated power supply capable of at least 1 Amp (1000 mA) output. Strip shipped with Black (-) and Red (+) wire leads, UL listed power supply. Please contact the seller if you should have any questions. The expected life span is more than 50,000 hours. Below is a feedback left by our customer Perfect - exactly as described and an amazing deal!