Features:40 Keys IR Remote Controller for DC12V RGBW LED SMD strip lights.24Key or 44Keys IR Remote Controller for DC12V RGB LED SMD strip lights. Adopt IR remote to control the LED strip lights. It is able to control led strip light's color, brightness and flash modes.Low power consumption and long service life Specification: Working temperature: -20~60°C Connection mode: Common Anode Input Voltage: DC 12-24V(40keys Controller ) , DC12V(24Keys or 44Keys controller Output Voltage: DC 12V Output: Three CMOS drain-open output Max load current: 2A Each color 40Key or 44key Remote controller dimension: 8.5 x 5 x 0.5cm 24key controller dimension:Package Include: 1 x IR Remote Controller ( Bettery is not included ) 1 x Remote Receiver