Y1UB Wireless Remote Control Switch Relay DC 12V 2CH 433Mhz Receiver Module Learning Code Transmitter for Garage Doors Description: Model: KR1202-4 Working Voltage: DC 12V Quiescent Current: 5mA Working Frequency: 433Mhz Receiving Sensitivity: -104dBm Function option: Momentary/Toggle Modulation Mode: ASK Matching Mode: Intelligent Learning code Output Mode: Dry contact /Voltage output Working temperature: -30~+80℃ PCB dimension: 68.2×48.2mm/2.69×1.90in (Approx.) Quantity: 1 PC (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 X Receiver module (KR1202-4)(include Shell) (No retail package)