Features 1、Multi Purpose: This remote control switch is suitable for electrical control circuits of anti theft alarm, remote control of electric doors and windows, lifting equipment, etc. 2、Direct Control: The relay contacts of the mini remote control switch module are output independently, which is very suitable for direct control of various loads. 3、Anti Interference: Wireless relay switch adopts the learning code wireless coding technology (space pairing), no directionality, and the switches do not interfere with each other. 4、Working Mode: 3.7V‑12V learning code remote control switch, self locking, interlocking, jog user free adjustment, can realize one control multiple, multiple control one. 5、Stable Performance: Each channel of the receiving board can withstand 1A current and directly drive DC and AC loads, each relay has a set of normally open (normally closed) contacts. Specification Item Type: Mini Remote Relay Material: ABS Voltage: DC3.7V-12V Working Temperature: -40℃ + 80℃ Receiver Sensitivity: Greater Than -113dBm Working Frequency: 433MHz Built in Button Battery of Remote Control: 2 x CR2016(75mAh) Application: Electrical control circuits for anti theft alarm, remote control electric doors and windows, signal control, industrial control, lifting equipment, etc Package List 1 x Relay 1 x Remote Control 1 x Manual