Features:1) Operating voltage: DC12V, (27A battery)2) Operating current: 8 - 15mA3) Modulation mode: ASK4) Operating frequency: 315MHz / 433MHz (SAW)5) Transmitting power: 10mW6) Effective distance: >50m (open area)7) Appearance dimensions: 36 x 55 x 14mm8) Optional encode IC: PI2262, eV1527, HCS301, HCS200 and so on