Features includes one 4-channel infrared remote IR module can be placed up to 1 m away colour, intensity and mode are retained and will be restored after a power failure speed determined by jumper setting can also be used as a single channel led dimmer smooth manual scrolling through red-orange-yellow-green-blue-indigo-violet with up/down buttons fix a manually selected colour Specifications power supply: 12..24 VDC current: 2.5 A/channel max. (30 W / 12 V, 60 W / 24 V max.) PWM frequency /resolution: 245 Hz, 10-bit intensity levels: 32 colour loop time (R->G->B->R): 50 s, 1 min 40 s, 2 min 30 s, or 3 min 20 s max. ambient temp: 30 °C / 86 °F remote range: up to 10 m (fresh battery, line of sight, no interference) remote power supply: V23GA or GP23GAC 12 V battery (included) dimensions: controller: 80 x 70 x 23 mm / 3.15 x 2.75 x 0.9" remote: 88 x 37 x 13 mm / 3.46 x 1.45 x 0.5"