Specification Receiver working voltage: DC12V; Quiescent condition: less than 6mA; Working temperature:-40'C+80'C; Receiver sensitivity: More than -105dBm; Working frequency: 315/433MHz; Output voltage: DC and AC is optional; Output current: Less than 3A; Max load current: 10A; Transmitter Remote Distance: 30-100m; Operating Voltage: DC 12V; Frequency: 315 (260-440MHz etc. more than 20 kinds of frequencies optional); Operating Current: 13 mA; Code Type: learning code; Feature: This product covers application ranging from simple domestic remote control to autonomous control; Extremely easy to set up and use; It's applied to the annunciator of family car motorcycle etc. These remote controls are designed to control a wide variety of electronic devices with a wireless signal Note: here is in set we have made it work together .so you do not have to care about what frequency are they .