Feature:1. [Widely Applicable] Suitable for electrical control circuits of anti theft alarm, remote control electric doors and windows, signal control, industrial control, lifting equipment, etc.2. [Direct Control] This wireless remote control relay switch module has independent output contacts, which is 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. [Multi Mode] Self locking, interlocking, and jog, users can freely adjust multiple working modes, which can realize one control with multiple and multiple control with one.5. [Wide Voltage] The learning code remote control switch has a wide working voltage of DC3.5VDC12V, and the remote control has 2 built in 75mAh CR2016 batteries.Specification:Item Type: Relay Remote SwitchMaterial: ABSWorking Voltage: DC3.5V-DC12VWide Range of Working Voltage: DC3.5V 4V 4.5V 5V 6V 9V 12VMaximum Load: 1A (Better Load is Less Than 700mA)Quiescent Current: 3mABuilt in Button Battery of Remote Control: 2 x CR2016(75mAh).Package List:1 x Relay1 x Remote Control1 x Manual