Rebaydo 2 pcs 5050 RGB LED Module Waterproof IP66 Common Anode 12V DC are designed for low voltage 12V DC lighting systems, using efficient surface mount LED chips to provide reliable illumination for signage, accent lighting, display cases, under cabinet lighting, and custom lighting applications. The modules feature IP66 waterproof construction for indoor and outdoor use, a durable body with metal backing, and a common anode configuration for use with compatible controllers, with wiring that supports multiple strings in parallel and a maximum of two strings connected in series. A complete string consists of 10 pairs (20 modules) with approx. 5.5 inches spacing between modules and approx. Approx. 110 inches total length for a complete string, using approx. 20 AWG wire, and wiring includes a yellow wire for 12V positive with remaining wires for red, green, and blue channels. Green LEDs begin illuminating at approx. 5 volts, red at approx. 4 volts, and blue at approx. 5.2 volts, with output up to approx. 65 lumens and approx. 0.96 watts per module. Dimensions are approx. 1.32 inches × approx. 1.32 inches × approx. 0.15 inches with approx. 0.162 inches center mounting hole, approx. 0.115 inches mounting ear hole diameter, approx. 1.56 inches hole-to-hole spacing, and approx. 1.77 inches ear length. Rated for approx. 12 volts DC, with per module current draw at 12V of approx. 0.07 amps red, approx. 0.08 amps blue, approx. 0.08 amps green, and approx. 0.23 amps full RGB, and for 20 modules approx. 0.69 amps red, approx. 0.81 amps blue, approx. 0.83 amps green, and approx. 1.62 amps full RGB. CE, RoHS listed.