Item Type: Mini Relay Remote SwitchMaterial: ABSWorking Voltage: DC3.5V-DC12VMaximum Load: 3A (Better Load is Less Than 2A)Working Frequency: 433MHzStandby Quiescent Current: 0.1mAWorking Current: 7mAFrequency Deviation: 0.2MHzWorking Temperature: -20-+80Receiving Sensitivity: -110dBmBuilt in Button Battery of Remote Control: 2 x CR2016(75mAh)Package List1 x Wireless Module1 x Remote Control1[Multi Purpose] Suitable for electrical control circuits for anti theft alarm, electric door and window, signal control, industrial control, lifting equipment, etc. 2[Direct Control] Mini relay remote control switch, independent output of module relay contact, 7mA working current, very suitable for direct control of various loads. 3[Anti Interference] The RF switch adopts the learning code wireless coding technology (space pairing), no directionality, and the switches do not interfere with each other. 4[3 Working Mode] 3.5V12V learning code remote control switch, self locking, interlocking, jog user free adjustment, can realize one control multiple, multiple control one. 5[Easy To Use] Each channel of the receiving board can withstand 3A current, and can directly drive DC and AC loads, the relay has a set of normally open (normally closed) contacts.