... 433MHz 3.Power>10mW 4.Voltage:6-12V 433.92MHZ Wireless Remote Control Specification: PictureModelSpecificationHS-238-21. Working voltage: ... : ≤ 9mA3.Oscillation mode:SAW resonance4.Modem mode:ASK5.Wireless frequency:433.92MHz, customize6.Frequency windage:±150kHz(max)7. ... with good quality reasonable price,widely used in garage door ,rolling door , car alarm system ,home appliance,remote switch , ...