eMylo DC 12V 4 Channels RF Wireless Remote Control Relay Switch 433Mhz 2pcs Transmitters with Receiver for Light Garage Door

Specifications: Transmitter Operating Voltage: 12V Operating Frequency: 433Mhz Vibration Resistance: 126 Chip Type: 2260 Modulation: ASK (Stable, less interference) Encode Type: Pads Battery Type: 12V 27A(not included) Remote Distance: 20m (Theoretical value) Ambient TEMP: -30? -70?, Humidity<95% Product DIM: 85x63x12mm Receiver Input Voltage: DC 12V Operating Frequency: 433Mhz Operation Way: Inching, Self-locking, Interlocked Coding Way: Intelligent Learning Output Type: Active output(12V) Max load: 7A Ambient TEMP: -30? -70?, Humidity<95% Factory Default: Inching Board DIM: 69x49x17mm Case DIM: 75x65x29mm Package Includes: 2X Transmitters 1X Receiver 1X English Manual Notice: All remote control switch kits support 433mhz frequency, and no interference each other, if you buy many kit and hope for interference, please contact us when you place order.