The SX2 Alcance Control was developed for long distance control of automotive or residential audio and video players with up to 16 functions. Due to its radio frequency (RF) technology, the player can be controlled from up to 500m in an open area. Its transmission is enhanced by FSK, reducing external interference with encrypted rolling code prevents cloning technologies. FEATURES/RESOURCES Long-range remote control of Audio and Video players 1600ft range in open areas (line-of-sight) Command up to 16 functions with the 2nd Function (2nd) button The SX2 control can command several devices even though different players' brands Easy sync. No need for technical assistance when purchasing new remote control units. Anti-cloning technology “Learn” function (Universal), enables programming any type of controller of the market Pre-programmed function memory bank with various Brands of music player devices Low-battery indicator on both remote and central unit Power-Saver Smart Mode Multi-sync enables you to sync the same player with up to 16 controls (SX2) allowing multiple people to control the same equipment. TECHNICAL SPECIFICATIONS Power: Central: 5 ~ 16V dc Control: Battery CR2032 - 3,0V Max. Consumption: Central: 35mA Control: 10mA Max. Range in Open Area: 500m/1600ft Central Freq. of Transmission: 433,92 MHZ Max. Transmit Power: 10mW Dimensions: Central: 57,5 x 33 x 12 mm Control: 82,7 x 42 x 15,7 mm Weight: Central: 46 g Control: 37 g Modulation: FSK